Relevant bibliographies by topics / Communicative constraints

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Communicative constraints'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 February 2022

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Journal articles on the topic "Communicative constraints"

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Benazzo, Sandra. "Communicative potential vs. structural constraints." EUROSLA Yearbook 2 (August 8, 2002): 187–204. http://dx.doi.org/10.1075/eurosla.2.12ben.

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This study investigates the acquisition of scope items such as ‘only’, ‘even’, ‘also’, ‘still’, ‘again’, ‘already’ etc. in the longitudinal data of untutored second language learners of English, French and German. These items are found to appear in a fixed sequence: additive/restrictive > iterative > contrastive, which correlates crosslinguistically with the development of learner varieties from a prebasic to a postbasic level. Analysis of the discourse behaviour of these particles suggests that while the communicative potential of these items justifies their early appearance, their use is constrained by the global organisation of learner varieties. In other words, appearance of particular items is constrained by the learner’s developmental stage.
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Sørensen, Jannick Kirk. "Exploring Constrained Creative Communication." International Journal of E-Services and Mobile Applications 9, no. 4 (2017): 1–23. http://dx.doi.org/10.4018/ijesma.2017100101.

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Creative collaboration via online tools offers a less ‘media rich' exchange of information between participants than face-to-face collaboration. The participants' freedom to communicate is restricted in means of communication, and rectified in terms of possibilities offered in the interface. How do these constraints influence the creative process and the outcome? In order to isolate the communication problem from the interface- and technology problem, we examine via a design game the creative communication on an open-ended task in a highly constrained setting, a design game. Via an experiment the relation between communicative constraints and participants' perception of dialogue and creativity is examined. Four batches of students preparing for forming semester project groups were conducted and documented. Students were asked to create an unspecified object without any exchange of communication except the placement of LEGO™ bricks.
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Kuzomenska, Lidiya. "THE COMMUNICATIVE HORIZON OF MODERN SOCIETY AS A REFLECTION OF PROSPECTS AND CONSTRAINTS." Educational Discourse: collection of scientific papers, no. 12(4) (May 7, 2019): 100–111. http://dx.doi.org/10.33930/ed.2019.5007.12(4)-9.

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The dynamics of social processes have always been substantially determined by the level, efficiency, and peculiarities of communicative interaction between people. The reason for the communication difficulties that arise when people communicate in a culturally heterogeneous society is in such characteristics of speech as intonation, rhythm, choice of lexical, phonetic and syntactic options.
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Karfa, Abderrahim El. "The Communicative Orientation of English Language Teaching Classrooms in Moroccan Secondary Schools." English Language Teaching 12, no. 11 (2019): 97. http://dx.doi.org/10.5539/elt.v12n11p97.

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The present paper addresses the issue of theory and practice in the implementation of the communicative approach in the context of English as a foreign language teaching in Morocco. It set to evaluate the communicative orientation of English language teaching classrooms in Moroccan secondary schools. This evaluation incorporates the investigation of the constraints imposed on teaching English for communicative purposes in this context. The results reveal the dominance of non-communicatively oriented practices and classrooms over their communicatively oriented counterparts. However, the dominance of communicative features in forty-one of the classes observed (34.16%) is relatively high given the current state of communicative language teaching in Morocco and the constraints that were found to impede its implementation in this context. These constraints are related essentially to the foreign language context, the formal nature of the classroom environment, the traditional nature of students’ personality traits and their conceptions of classroom participation and role-relationships, the nature of assessment procedures, lack of adequate and varied teaching materials and equipment, and the large size of classes. These findings suggest that English language teaching in Moroccan secondary schools has undergone important changes from the dominance of traditional and teacher-centred classrooms towards more communicative language teaching. They would also imply that the implementation of the communicative approach in foreign language contexts is not impossible, but rather feasible. To this end, this article presents some suggestions to enhance communicatively oriented attitudes and practices in English as a foreign language teaching classrooms in Morocco.
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Gong, Tao, Andrea Puglisi, Vittorio Loreto, and William S. Y. Wang. "Conventionalization of Linguistic Knowledge Under Communicative Constraints." Biological Theory 3, no. 2 (2008): 154–63. http://dx.doi.org/10.1162/biot.2008.3.2.154.

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de Beer, Carola, Jan P. de Ruiter, Martina Hielscher-Fastabend, and Katharina Hogrefe. "The Production of Gesture and Speech by People With Aphasia: Influence of Communicative Constraints." Journal of Speech, Language, and Hearing Research 62, no. 12 (2019): 4417–32. http://dx.doi.org/10.1044/2019_jslhr-l-19-0020.

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Purpose People with aphasia (PWA) use different kinds of gesture spontaneously when they communicate. Although there is evidence that the nature of the communicative task influences the linguistic performance of PWA, so far little is known about the influence of the communicative task on the production of gestures by PWA. We aimed to investigate the influence of varying communicative constraints on the production of gesture and spoken expression by PWA in comparison to persons without language impairment. Method Twenty-six PWA with varying aphasia severities and 26 control participants (CP) without language impairment participated in the study. Spoken expression and gesture production were investigated in 2 different tasks: (a) spontaneous conversation about topics of daily living and (b) a cartoon narration task, that is, retellings of short cartoon clips. The frequencies of words and gestures as well as of different gesture types produced by the participants were analyzed and tested for potential effects of group and task. Results Main results for task effects revealed that PWA and CP used more iconic gestures and pantomimes in the cartoon narration task than in spontaneous conversation. Metaphoric gestures, deictic gestures, number gestures, and emblems were more frequently used in spontaneous conversation than in cartoon narrations by both participant groups. Group effects show that, in both tasks, PWA's gesture-to-word ratios were higher than those for the CP. Furthermore, PWA produced more interactive gestures than the CP in both tasks, as well as more number gestures and pantomimes in spontaneous conversation. Conclusions The current results suggest that PWA use gestures to compensate for their verbal limitations under varying communicative constraints. The properties of the communicative task influence the use of different gesture types in people with and without aphasia. Thus, the influence of communicative constraints needs to be considered when assessing PWA's multimodal communicative abilities.
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Misyak, Jennifer, Takao Noguchi, and Nick Chater. "Instantaneous Conventions." Psychological Science 27, no. 12 (2016): 1550–61. http://dx.doi.org/10.1177/0956797616661199.

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Humans can communicate even with few existing conventions in common (e.g., when they lack a shared language). We explored what makes this phenomenon possible with a nonlinguistic experimental task requiring participants to coordinate toward a common goal. We observed participants creating new communicative conventions using the most minimal possible signals. These conventions, furthermore, changed on a trial-by-trial basis in response to shared environmental and task constraints. Strikingly, as a result, signals of the same form successfully conveyed contradictory messages from trial to trial. Such behavior is evidence for the involvement of what we term joint inference, in which social interactants spontaneously infer the most sensible communicative convention in light of the common ground between them. Joint inference may help to elucidate how communicative conventions emerge instantaneously and how they are modified and reshaped into the elaborate systems of conventions involved in human communication, including natural languages.
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Subramonian, G., and D. Hallen. "Requirements And Constraints Of B.Ed. Trainees In Communicative English." i-manager’s Journal on English Language Teaching 2, no. 1 (2012): 27–32. http://dx.doi.org/10.26634/jelt.2.1.1617.

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Scott-Phillips, Thomas C., and Richard A. Blythe. "Why is combinatorial communication rare in the natural world, and why is language an exception to this trend?" Journal of The Royal Society Interface 10, no. 88 (2013): 20130520. http://dx.doi.org/10.1098/rsif.2013.0520.

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In a combinatorial communication system, some signals consist of the combinations of other signals. Such systems are more efficient than equivalent, non-combinatorial systems, yet despite this they are rare in nature. Why? Previous explanations have focused on the adaptive limits of combinatorial communication, or on its purported cognitive difficulties, but neither of these explains the full distribution of combinatorial communication in the natural world. Here, we present a nonlinear dynamical model of the emergence of combinatorial communication that, unlike previous models, considers how initially non-communicative behaviour evolves to take on a communicative function. We derive three basic principles about the emergence of combinatorial communication. We hence show that the interdependence of signals and responses places significant constraints on the historical pathways by which combinatorial signals might emerge, to the extent that anything other than the most simple form of combinatorial communication is extremely unlikely. We also argue that these constraints can be bypassed if individuals have the socio-cognitive capacity to engage in ostensive communication. Humans, but probably no other species, have this ability. This may explain why language, which is massively combinatorial, is such an extreme exception to nature's general trend for non-combinatorial communication.
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Mascheroni, Giovanna, and Jane Vincent. "Perpetual contact as a communicative affordance: Opportunities, constraints, and emotions." Mobile Media & Communication 4, no. 3 (2016): 310–26. http://dx.doi.org/10.1177/2050157916639347.

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Dissertations / Theses on the topic "Communicative constraints"

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Rae, John Patrick. "Explanations and communicative constraints in naturally occurring discourse." Thesis, University of Leeds, 1989. http://etheses.whiterose.ac.uk/345/.

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The subject matter of this thesis are some aspects of the expression of explanations in spoken discourse. The study of explanations has occupied the attention of many researchers in social psychology and in neighbouring disciplines; the study of talk has occupied an even greater number. In the thesis I try to integrate certain areas of these two fields. Chapter one sketches the history of the concern with language which has characterised developments in the social sciences this century. This chapter is incidentally an introduction to some of the key themes of the thesis and to why I think research based on naturally occurring discourse is important. Research on explanations in social psychology has been dominated by research which has gone on under the heading of attribution theory. In chapter two I address a controversy in the application of concepts drawn from attribution theory to clinical psychology, namely whether or not people have fixed styles in the way that they attribute causes for outcomes. Studying family therapy sessions and interviews with parents with a coding procedure I show that the variety of possible styles is broader than has been suggested previously. Chapter three further pursues causal expressions as cases of explanations by asking what a causal statement is. The chapter opens with a discussion of how causes relate to reasons concluding that reasons are a species of cause. I then go on to use data from earlier work to study what expressions speakers use to make causal utterances. The direction of enquiry has been to suggest that rather than studying causal beliefs it is causal utterances that are under study. An utterance is, if you like, "situated", that is to say, what a speaker says is context-bound. I talk of "communicative constraints" operating here. Chapter four reviews some work in the study of conversation with an eye to elucidating the sense in which a speaker's utterances are a product of the situation in which they occur and to look at the researchability of this intuition. Practical and conceptual reasons suggest that the approach generally known as conversation analysis stemming from the study of ethnomethodology is the most interesting and fruitful way toproceed (in this context). Chapters five and six report studies of a computing advisory centre showing 1, the range of accounting procedures which occur as part of the business-at-hand in these sessions, 2, how speakers' utterances, can change within a single conversation. Chapter six looks at the integration of non-vocal behaviour and by considering data on this argues that the idea of normativity, rather than a quasi grammatical notion, is the appropriate level of explanation for the regularities which we find in human interaction. In moving away from beliefs as the object of analysis I could be accused of taking an anti-cognitive stance. Chapter seven explores cognitive versus interactional perspectives in communication. Chapter eight reflects on the approach which I have adopted and suggests how inspite, indeed through, its focus on situational events an account of the capacities drawn on in offering explanations can itself illuminate phenomena seen as beyond its grasp
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Alsahil, Asma, and Asma Alsahil. "Social Networking Mediated Intercultural Communicative Competence: Affordances and Constraints." Diss., The University of Arizona, 2016. http://hdl.handle.net/10150/621308.

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In the last few decades, Internet mediated intercultural competence has received a great attention in the field of applied linguistics and foreign language (FL) education especially with the evolution of web 2.0 technologies and social networking sites that facilitate interaction and communication between different cultural communities and individuals. Research in the field of Online Intercultural Exchange (OIE) is extremely varied and researchers have focused their attention on various aspects of OIE such as promoting intercultural communicative competence (Belz, 2002; O'Dowd, 2003; Schenker, 2011; Muller Hartman, 2000), facilitating online relationship building (Ware, 2005; Thorne, 2003, Jin & Erben, 2007) and improving writing skills (Ware, 2005; O'Dowd, 2003), developing pragmatic competence (Kinginger & Belz, 2005). Despite the plethora of research in this area, gaps in the literature still exist. First, literature lacks studies on language learners of less commonly taught languages (e.g. Arabic), (Thorne, 2006) and more importantly most of the studies are based on western contexts mainly in Europe and the USA. Second, few studies have explored the potentials of social networking sites on OIE projects in promoting intercultural learning (Aoki, 2009; Jin, 2015). In an effort to fill the gaps in the research, this study links English language learners (Saudis) with Arabic language learners (Americans) to investigate to what extent OIE on Facebook between these two groups of learners contributes to their intercultural communicative competence (ICC), specifically, exploring how and what are the components of Byram's model (ICC) manifested in the OIE project. Furthermore, it examined the affordances of Facebook in the OIE project according to students' use, practice and perception. Informed by a sociocultural framework, this study took a constructivist mixed methods approach to analysis of data from learners' online discourse on Facebook, the researcher's journal and observations, pre-survey, semi-structured interviews, and a questionnaire. Data analysis and interpretation revealed that when students' participation were mutually compatible, the students were able to build meaningful relationships, used a range of various questioning techniques, and engaged in genuine dialogue, OIE has a great potential for developing students' intercultural competence, as many objectives of Byram's ICC model were manifested. Findings also revealed that the project has strengthened Saudi students' cultural identity as they found the space to present their culture and country beyond the stereotypical image that dominates the media. As with regard to Facebook affordances, findings showed that the semiotic design and various semiotic resources of Facebook (e.g. multimodal posts, sharing, notification, friending, semi-automated features, etc.) afford students' engagement in intercultural discussion, students' collaboration, and students' interpersonal relationship building. The study also identified some of Facebook's constraints that limited students' participation due to technological, cultural and social factors. In sum this study illuminates the nature of online intercultural communication between Arabic and English language learners, contributing to the scarce research on this population. It also uncovers the unique affordances as well as constraints of Facebook on an OIE project. Based on this study, several pedagogical implications and suggestions are made for future research in the field of online intercultural exchanges.
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Hilton, Linda, and n/a. "Interaction in the second language classroom : power and the presence of communicative constraints." University of Canberra. Education, 1999. http://erl.canberra.edu.au./public/adt-AUC20060724.140733.

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This theoretical thesis investigates the effects of communicative constraints within a second language (L2) classroom with the purpose of developing ways of exploiting and modifying these constraints to improve L2 learning. This investigation incorporates the identification of hierarchical structures, teaching and learning practices which constrain L2 learning within the classroom. The hierarchical structures of institutional power relations and the authority of the teacher guide set goals and assessment. However, L2 learners may have different expectations to those of their teachers. Therefore, in the presentation of an understanding of classroom genre, this thesis analyses the inherent logic or common fallacies of thinking and practice within L2 classrooms and further, the individual experience which each L2 learner brings to the classroom situation. This thesis examines classroom constraints which prevent L2 learners from developing an appropriate range of experiences to enable them to participate in authentic social interaction. Cultural, linguistic and educational disciplinary views are engaged in the description of these substantive problems. L2 learners invariably experience difficulties in communication when they interact socially within their L2 culture, outside the classroom. Learners often lack the experience to express self-purpose within cultural genres because previous classroom learning may have been based upon situation-specific and context-determined patterns of communication and practice. Such patterns and practices are an inherent part of the classroom because the classroom is a specific genre itself and consequently classroom talk is very different from talk in other places. This thesis develops alternative hypotheses which incorporate critical findings pertaining to L2 classroom practices. Further, a project for realistic solutions to L2 learning is offered. These solutions have been developed from the recognition that learning a L2 in a classroom-based situation is a process which lacks the diversity of everyday societal life.
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Abu-Talag, Salem Etaher Mustafa. "Libyan secondary school EFL teachers and communicative language teaching : attitudes, beliefs and constraints in implementation." Thesis, Durham University, 2016. http://etheses.dur.ac.uk/11429/.

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The communicative approach to language teaching is based on the theory of language as communication. According to Hymes (1972), language teaching is interpreted by learners as learning through communicative competence. Researchers, particularly in EFL secondary teachers’ classroom practices, have emphasized teachers’ concentration on using grammar translation (GTM) and audio-lingual (ALM) methods. However, most studies did not investigate teachers’ beliefs (as situated in their cultural context) and their classroom practice. Therefore, taking Libya as an example, the aim of this study is to find out whether EFL secondary teachers implement the CLT approach in their classrooms. A data collection triangulation method was utilized involving different research tools. Firstly, an evaluation of a questionnaire distributed to 24 participating Libyan teachers was carried out. Secondly, classroom observations of the same teachers were conducted, applying the communicative orientation of language teaching observation scheme (COLT). Here, the four categories derived from the literature on CLT are employed to determine whether the teaching methodology is communicative. Finally, the same teachers were interviewed to investigate their beliefs and attitudes concerning the CLT approach and its practicality. The results of the qualitative and quantitative data analyses indicated that teachers do not implement the CLT approach. This is due to several factors: low teacher language proficiency; over-reliance on textbooks; class size; time limitations; and lack of adequate training in classroom implementation. An analysis of challenges teachers encounter in implementing CLT and recommendations arising from the study constitute the final chapter of this research.
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Tatikonda, Sekhar Chandra. "Control under communication constraints." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/16755.

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Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2000.<br>Includes bibliographical references (p. 224-228).<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>by Sekhar Chandra Tatikonda.<br>Ph.D.
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Uney, Murat. "Decentralized Estimation Under Communication Constraints." Phd thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12611226/index.pdf.

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In this thesis, we consider the problem of decentralized estimation under communication constraints in the context of Collaborative Signal and Information Processing. Motivated by sensor network applications, a high volume of data collected at distinct locations and possibly in diverse modalities together with the spatially distributed nature and the resource limitations of the underlying system are of concern. Designing processing schemes which match the constraints imposed by the system while providing a reasonable accuracy has been a major challenge in which we are particularly interested in the tradeoff between the estimation performance and the utilization of communications subject to energy and bandwidth constraints. One remarkable approach for decentralized inference in sensor networks is to exploit graphical models together with message passing algorithms. In this framework, after the so-called information graph of the problem is constructed, it is mapped onto the underlying network structure which is responsible for delivering the messages in accordance with the schedule of the inference algorithm. However it is challenging to provide a design perspective that addresses the tradeoff between the estimation accuracy and the cost of communications. Another approach has been performing the estimation at a fusion center based on the quantized information provided by the peripherals in which the fusion and quantization rules are sought while taking a restricted set of the communication constraints into account. We consider two classes of in-network processing strategies which cover a broad range of constraints and yield tractable Bayesian risks that capture the cost of communications as well as the penalty for estimation errors. A rigorous design setting is obtained in the form of a constrained optimization problem utilizing the Bayesian risks. These processing schemes have been previously studied together with the structures that the solutions exhibit in the context of decentralized detection in which a decision out of finitely many choices is made. We adopt this framework for the estimation problem. However, for the case, computationally infeasible solutions arise that involve integral operators that are impossible to evaluate exactly in general. In order not to compromise the fidelity of the model we develop an approximation framework using Monte Carlo methods and obtain particle representations and approximate computational schemes for both the in-network processing strategies and the solution schemes to the design problem. Doing that, we can produce approximating strategies for decentralized estimation networks under communication constraints captured by the framework including the cost. The proposed Monte Carlo optimization procedures operate in a scalable and efficient manner and can produce results for any family of distributions of concern provided that samples can be produced from the marginals. In addition, this approach enables a quantification of the tradeoff between the estimation accuracy and the cost of communications through a parameterized Bayesian risk.
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Craparo, Emily M. (Emily Marie) 1980. "Cooperative exploration under communication constraints." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/46558.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2008.<br>Includes bibliographical references (leaves 131-137).<br>The cooperative exploration problem necessarily involves communication among agents, while the spatial separation inherent in this task places fundamental limits on the amount of data that can be transmitted. However, the impact of limited communication on the exploration process has not been fully characterized. Existing exploration algorithms do not realistically model the tradeoff between expansion, which allows more rapid exploration of the area of interest, and maintenance of close relative proximity among agents, which facilitates communication. This thesis develops new algorithms applicable to the problem of cooperative exploration under communication constraints. The exploration problem is decomposed into two parts. In the first part, cooperative exploration is considered in the context of a hierarchical communication framework known as a mobile backbone network. In such a network, mobile backbone nodes, which have good mobility and communication capabilities, provide communication support for regular nodes, which are constrained in movement and communication capabilities but which can sense the environment. New exact and approximation algorithms are developed for throughput optimization in networks composed of stationary regular nodes, and new extensions are formulated to take advantage of regular node mobility. These algorithms are then applied to a cooperative coverage problem. In the second part of this work, techniques are developed for utilizing a given level of throughput in the context of cooperative estimation. The mathematical properties of the information form of the Kalman filter are leveraged in the development of two algorithms for selecting highly informative portions of the information matrix for transmission. One algorithm, a fully polynomial time approximation scheme, provides provably good results in computationally tractable time for problem instances of a particular structure. The other, a heuristic method applicable to instances of arbitrary matrix structure, performs very well in simulation for randomly-generated problems of realistic dimension.<br>by Emily M. Craparo.<br>Ph.D.
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Kittichokechai, Kittipong. "Communication With Reconstruction and Privacy Constraints." Doctoral thesis, KTH, Kommunikationsteori, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-145134.

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Communication networks are an integral part of the Internet of Things (IoT) era. They enable endless opportunities for connectivity in a wide range of applications, leading to advances in efficiency of day-to-day life. While creating opportunities, they also incur several new challenges. In general, we wish to design a system that performs optimally well in all aspects. However, there usually exist competing objectives which lead to tradeoffs. In this thesis, driven by several applications, new features and objectives are included into the system model, making it closer to reality and needs. The results presented in this thesis aim at providing insight into the fundamental tradeoff of the system performance which can serve as a guideline for the optimal design of real-world communication systems. The thesis is divided into two parts. The first part considers the aspect of signal reconstruction requirement as a new objective in the source and channel coding problems. In this part, we consider the framework where the quality and/or availability of the side information can be influenced by a cost-constrained action sequence. In the source coding problem, we impose a constraint on the reconstruction sequence at the receiver that it should be reproduced at the sender, and characterize the fundamental tradeoff in the form of the rate-distortion-cost region, revealing the optimal relation between compression rate, distortion, and action cost. The channel coding counterpart is then studied where a reconstruction constraint is imposed on the channel input sequence such that it should be reconstructed at the receiver. An extension to the multi-stage channel coding problem is also considered where inner and outer bounds to the capacity region are given. The result on the channel capacity reveals interesting consequence of imposing an additional reconstruction requirement on the system model which has a causal processing structure. In the second part, we consider the aspect of information security and privacy in lossy source coding problems. The sender wishes to compress the source sequence in order to satisfy a distortion criterion at the receiver, while revealing only limited knowledge about the source to an unintended user. We consider three different aspects of information privacy. First, we consider privacy of the source sequence against the eavesdropper in the problem of source coding with action-dependent side information. Next, we study privacy of the source sequence due to the presence of a public helper in distributed lossy source coding problems. The public helper is assumed to be either a user who provides side information over a public link which can be eavesdropped, or a legitimate user in the network who helps to relay information to the receiver, but may not ignore the information that is not intended for it. Lastly, we take on a new perspective of information privacy in the source coding problem. That is, instead of protecting the source sequence, we are interested in the privacy of the reconstruction sequence with respect to a user in the system. For above settings, we provide the complete characterization of the rate-distortion(-cost)-leakage/equivocation region or corresponding inner and outer bounds for discrete memoryless systems.<br><p>QC 20140514</p>
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El, Gamal Mostafa. "Distributed Statistical Learning under Communication Constraints." Digital WPI, 2017. https://digitalcommons.wpi.edu/etd-dissertations/314.

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"In this thesis, we study distributed statistical learning, in which multiple terminals, connected by links with limited capacity, cooperate to perform a learning task. As the links connecting the terminals have limited capacity, the messages exchanged between the terminals have to be compressed. The goal of this thesis is to investigate how to compress the data observations at multiple terminals and how to use the compressed data for inference. We first focus on the distributed parameter estimation problem, in which terminals send messages related to their local observations using limited rates to a fusion center that will obtain an estimate of a parameter related to the observations of all terminals. It is well known that if the transmission rates are in the Slepian-Wolf region, the fusion center can fully recover all observations and hence can construct an estimator having the same performance as that of the centralized case. One natural question is whether Slepian-Wolf rates are necessary to achieve the same estimation performance as that of the centralized case. In this thesis, we show that the answer to this question is negative. We then examine the optimality of data dimensionality reduction via sufficient statistics compression in distributed parameter estimation problems. The data dimensionality reduction step is often needed especially if the data has a very high dimension and the communication rate is not as high as the one characterized above. We show that reducing the dimensionality by extracting sufficient statistics of the parameter to be estimated does not degrade the overall estimation performance in the presence of communication constraints. We further analyze the optimal estimation performance in the presence of communication constraints and we verify the derived bound using simulations. Finally, we study distributed optimization problems, for which we examine the randomized distributed coordinate descent algorithm with quantized updates. In the literature, the iteration complexity of the randomized distributed coordinate descent algorithm has been characterized under the assumption that machines can exchange updates with an infinite precision. We consider a practical scenario in which the messages exchange occurs over channels with finite capacity, and hence the updates have to be quantized. We derive sufficient conditions on the quantization error such that the algorithm with quantized update still converge."
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Joseph, Jose. "UAV Path Planning with Communication Constraints." University of Cincinnati / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1563872872304696.

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Books on the topic "Communicative constraints"

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Liu, Kun, Emilia Fridman, and Yuanqing Xia. Networked Control Under Communication Constraints. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4230-5.

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Eisenberg, Eric M. Organizational communication: Balancing creativityand constraint. St. Martin's Press, 1993.

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Tarbouriech, Sophie, Antoine Girard, and Laurentiu Hetel, eds. Control Subject to Computational and Communication Constraints. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-78449-6.

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Eisenberg, Eric M. Organizational communication: Balancing creativity and constraint. 5th ed. Bedford/St. Martin's, 2007.

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Lloyd, Goodall H., ed. Organizational communication: Balancing creativity and constraint. 3rd ed. Bedford/St. Martin's, 2001.

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Lloyd, Goodall H., ed. Organizational communication: Balancing creativity and constraint. 2nd ed. St. Martin's Press, 1997.

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Lloyd, Goodall H., ed. Organizational communication: Balancing creativity and constraint. St. Martin's Press, 1993.

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Lloyd, Goodall H., and Trethewey Angela, eds. Organizational communication: Balancing creativity and constraint. 5th ed. Bedford/St. Martin's, 2007.

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Zhang, Wen-An, Bo Chen, Haiyu Song, and Li Yu. Distributed Fusion Estimation for Sensor Networks with Communication Constraints. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0795-8.

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Meisels, Amnon. Distributed search by constrained agents: Algorithms, performance, communication. Springer, 2008.

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Book chapters on the topic "Communicative constraints"

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Ivir, Vladimir. "Linguistic and communicative constraints on borrowing and literal translation." In Translators' Strategies and Creativity. John Benjamins Publishing Company, 1998. http://dx.doi.org/10.1075/btl.27.20ivi.

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Ladich, Friedrich. "Diversity in Hearing in Fishes: Ecoacoustical, Communicative, and Developmental Constraints." In Insights from Comparative Hearing Research. Springer New York, 2013. http://dx.doi.org/10.1007/2506_2013_26.

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Hardenbrook, Donovan, and Teresa Jurgens-Kowal. "BRIDGING COMMUNICATION GAPS IN VIRTUAL TEAMS." In Leveraging Constraints for Innovation. John Wiley & Sons, Inc., 2018. http://dx.doi.org/10.1002/9781119390299.ch6.

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Ahlswede, Rudolf. "Estimation Under Communication Constraints." In Probabilistic Methods and Distributed Information. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-00312-8_23.

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Mahmoud, Magdi S. "Systems Under Communication Constraints." In Control and Estimation Methods over Communication Networks. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04153-7_5.

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Watson, James. "Pressures and Constraints in Media Production." In Media Communication. Macmillan Education UK, 1998. http://dx.doi.org/10.1007/978-1-349-26546-6_8.

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Yus, Francisco. "Contextual constraints and non-propositional effects." In Smartphone Communication. Routledge, 2021. http://dx.doi.org/10.4324/9781003200574-4.

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Liu, Kun, Emilia Fridman, and Yuanqing Xia. "Introduction." In Networked Control Under Communication Constraints. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4230-5_1.

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Liu, Kun, Emilia Fridman, and Yuanqing Xia. "Quantized Control of Discrete-Time Systems Under Round-Robin Protocol." In Networked Control Under Communication Constraints. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4230-5_10.

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Liu, Kun, Emilia Fridman, and Yuanqing Xia. "Stability Conditions for Discrete-Time Systems Under Dynamic Protocols." In Networked Control Under Communication Constraints. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4230-5_11.

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Conference papers on the topic "Communicative constraints"

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Rathnam and Andreas Birk. "Distributed Communicative Exploration under underwater communication constraints." In 2011 IEEE International Symposium on Safety, Security, and Rescue Robotics (SSRR). IEEE, 2011. http://dx.doi.org/10.1109/ssrr.2011.6106767.

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Włodarczak, Marcin, Mattias Heldner, and Jens Edlund. "Communicative needs and respiratory constraints." In Interspeech 2015. ISCA, 2015. http://dx.doi.org/10.21437/interspeech.2015-620.

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Tao Gong, Andrea Puglisi, Vittorio Loreto, and William S.-Y. Wang. "Conventionalization of Linguistic Categories under Simple Communicative Constraints." In 2008 IEEE Congress on Evolutionary Computation (CEC). IEEE, 2008. http://dx.doi.org/10.1109/cec.2008.4631017.

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Popova, N. V. "Constraints Of Communicative Approach To Language Teaching In Russian Tertiary Education." In 18th PCSF 2018 - Professional Сulture of the Specialist of the Future. Cognitive-Crcs, 2018. http://dx.doi.org/10.15405/epsbs.2018.12.02.142.

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Sreeram, R. T., and P. K. Chawdhry. "A Single Function Agent Framework for Task Decomposition and Conflict Negotiation." In ASME 1998 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/detc98/dfm-5748.

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Abstract Researchers in agent-based concurrent engineering have identified a variety of techniques for product development with the use of multi-agents. Significant but less common are the techniques based on more task-specific single function agents. This paper proposes a single function agent framework for task-solving in a product development environment. This framework is based on Habermas’s theory of communicative action which is particularly suited for collaborative work. The inter-agent communication is based on Knowledge Query Manipulation Language (KQML). The task decomposition of the design process is based on the cluster identification algorithm. The conflicts which arise during the design process are resolved by using very specialized single function agents that detect conflicts based on violation of the design constraints. The case study on the design of a mechanical shaft demonstrates the appropriateness of the proposed framework.
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Bucha, Agostinho Inácio, and Abílio Ferreira. "THE ROLE OF THE DEPARTMENT COORDINATOR: LEADERSHIP AND SUPERVISION." In 4th International Scientific Conference – EMAN 2020 – Economics and Management: How to Cope With Disrupted Times. Association of Economists and Managers of the Balkans, Belgrade, Serbia, 2020. http://dx.doi.org/10.31410/eman.2020.149.

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With greater autonomy schools require assertive leadership in school management. Thus, it is crucial to understand the intermediate manager’s role in guiding a curriculum department, seeking to know how to validate their skills within the team. The department is shown functional, organized and communicative. Coordinator is spokesperson, democratic manager and performs duties within a framework of collaboration and valorisation, with joint decision and validation. Leadership is democratic and supervision relies on support for teachers and the figure of case manager emerges. Relevant constraints include bureaucracy and resistance to change. Functions in inclusive education, leadership, pedagogical supervision and in democratic, pedagogical, collaborative and mediating management are envisaged.
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Henderson, David L., and David C. Anderson. "Constraint Management in Distributed Product Models." In ASME 1997 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/detc97/cie-4285.

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Abstract Computer models for complex mechanical products are often distributed among design team members who use disparate software tools. Communication between these tools has previously been limited to occasional file transfer. However, recent research has begun to allow software applications to communicate automatically to maintain the integrity of the evolving product model. Constraint satisfaction plays an important role in maintaining design integrity. This paper describes a methodology for representing and satisfying constraints in distributed design environments. The methodology employs a propagation method that allows the solution steps to be posed as messages between applications. The propagation methods also facilitate support for a broad range of object and constraint types. We show how the method can be applied to both algebraic and geometric constraints. We also describe a method called symbolic propagation that is used for solving coupled and underconstrained systems. A distributed assembly design system that was implemented to demonstrate and validate the methods is also described.
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Van Craenendonck, Toon, Sebastijan Dumancic, and Hendrik Blockeel. "COBRA: A Fast and Simple Method for Active Clustering with Pairwise Constraints." In Twenty-Sixth International Joint Conference on Artificial Intelligence. International Joint Conferences on Artificial Intelligence Organization, 2017. http://dx.doi.org/10.24963/ijcai.2017/400.

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Clustering is inherently ill-posed: there often exist multiple valid clusterings of a single dataset, and without any additional information a clustering system has no way of knowing which clustering it should produce. This motivates the use of constraints in clustering, as they allow users to communicate their interests to the clustering system. Active constraint-based clustering algorithms select the most useful constraints to query, aiming to produce a good clustering using as few constraints as possible. We propose COBRA, an active method that first over-clusters the data by running K-means with a $K$ that is intended to be too large, and subsequently merges the resulting small clusters into larger ones based on pairwise constraints. In its merging step, COBRA is able to keep the number of pairwise queries low by maximally exploiting constraint transitivity and entailment. We experimentally show that COBRA outperforms the state of the art in terms of clustering quality and runtime, without requiring the number of clusters in advance.
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Goodwin, Graham C., Katrina Lau, and Mauricio G. Cea. "Control with communication constraints." In 2012 12th International Conference on Control Automation Robotics & Vision (ICARCV 2012). IEEE, 2012. http://dx.doi.org/10.1109/icarcv.2012.6485439.

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Bandemer, Bernd, and Abbas El Gamal. "Communication with disturbance constraints." In 2011 IEEE International Symposium on Information Theory - ISIT. IEEE, 2011. http://dx.doi.org/10.1109/isit.2011.6033924.

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Reports on the topic "Communicative constraints"

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Rahman, A., and E. Dijk, eds. Group Communication for the Constrained Application Protocol (CoAP). RFC Editor, 2014. http://dx.doi.org/10.17487/rfc7390.

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Üney, Murat, and Müjdat Çetin. Monte Carlo optimization approach for decentralized estimation networks under communication constraints. Sabanci University, 2010. http://dx.doi.org/10.5900/su_fens_wp.2010.15985.

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Zhang, F., and A. Farrel. Conveying Vendor-Specific Constraints in the Path Computation Element Communication Protocol. RFC Editor, 2014. http://dx.doi.org/10.17487/rfc7150.

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Zhang, F., and A. Farrel. Conveying Vendor-Specific Constraints in the Path Computation Element Communication Protocol. RFC Editor, 2015. http://dx.doi.org/10.17487/rfc7470.

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Turman-Bryant, Phillip. Closing the Loop: The Capacities and Constraints of Information and Communication Technologies for Development (ICT4D). Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.6879.

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Razavi, Alireza, and Zhi-Quan Luo. Distributed Optimization in an Energy-Constrained Network Using a Digital Communication Scheme. Defense Technical Information Center, 2009. http://dx.doi.org/10.21236/ada500118.

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Mai Phuong, Nguyen, Hanna North, Duong Minh Tuan, and Nguyen Manh Cuong. Assessment of women’s benefits and constraints in participating in agroforestry exemplar landscapes. World Agroforestry, 2021. http://dx.doi.org/10.5716/wp21015.pdf.

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Participating in the exemplar landscapes of the Developing and Promoting Market-Based Agroforestry and Forest Rehabilitation Options for Northwest Vietnam project has had positive impacts on ethnic women, such as increasing their networks and decision-making and public speaking skills. However, the rate of female farmers accessing and using project extension material or participating in project nurseries and applying agroforestry techniques was limited. This requires understanding of the real needs and interests grounded in the socio-cultural contexts of the ethnic groups living in the Northern Mountain Region in Viet Nam, who have unique social and cultural norms and values. The case studies show that agricultural activities are highly gendered: men and women play specific roles and have different, particular constraints and interests. Women are highly constrained by gender norms, access to resources, decision-making power and a prevailing positive-feedback loop of time poverty, especially in the Hmong community. A holistic, timesaving approach to addressing women’s daily activities could reduce the effects of time poverty and increase project participation. As women were highly willing to share project information, the project’s impacts would be more successful with increased participation by women through utilizing informal channels of communication and knowledge dissemination. Extension material designed for ethnic women should have less text and more visuals. Access to information is a critical constraint that perpetuates the norm that men are decision-makers, thereby, enhancing their perceived ownership, whereas women have limited access to information and so leave final decisions to men, especially in Hmong families. Older Hmong women have a Vietnamese (Kinh) language barrier, which further prevents them from accessing the project’s material. Further research into an adaptive framework that can be applied in a variety of contexts is recommended. This framework should prioritize time-saving activities for women and include material highlighting key considerations to maintain accountability among the project’s support staff.
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Litkowski, S., S. Sivabalan, C. Barth, and M. Negi. Path Computation Element Communication Protocol (PCEP) Extension for Label Switched Path (LSP) Diversity Constraint Signaling. RFC Editor, 2020. http://dx.doi.org/10.17487/rfc8800.

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Basar, Tamer. Distributed Control for Networked Systems with Non-Traditional Communication Constraints: Lossy Links, Power and Usage Limitations, and Induced Cooperation. Defense Technical Information Center, 2012. http://dx.doi.org/10.21236/ada576967.

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Wieselthier, Jeffrey E., Gam D. Nguyen, and Anthony Ephremides. Throughput Maximization Under Quality of Service Constraints: Determination of Optimal Offered Load in Circuit-Switched (Wireless or Nonwireless) Communication Networks. Defense Technical Information Center, 2000. http://dx.doi.org/10.21236/ada389277.

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