Bibliografie tematiche / Expression problem

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Letteratura scientifica selezionata sul tema "Expression problem"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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Articoli di riviste sul tema "Expression problem"

Mukhamedova, Nigora. "THE PROBLEM OF EXPRESSION NON-CATEGORICAL STATEMENTS IN LINGUISTIC TEXTS." INTERNATIONAL JOURNAL OF WORD ART 3, no. 3 (2020): 91–97. http://dx.doi.org/10.26739/2181-9297-2020-3-13.

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The article deals with the issues based on the study of non-categorical statements in a linguistic text in modern English. The essence of scientific communication is a message, or the transmission by means of language of some mental content, including the expression of an intellectual-evaluative attitude to the subject of speech. The content of intellectual assessments is conditioned by knowledge and experience of intellectual and material activities of people.In a scientific text, this attitude can be the result of verifying the truth of what is expressed by the author himself or by another s

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Diveev, A. I., and E. A. Sofronova. "Machine Search Problem for Mathematical Expression." Doklady Mathematics 110, S1 (2024): S25—S34. https://doi.org/10.1134/s1064562424602087.

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Abstract The problem of searching for a mathematical expression is formulated. Classes of mathematical problems where this problem is in demand are presented. A general approach to solving this problem based on machine learning using symbolic regression methods is given. This approach allows finding not only the parameters of the desired mathematical expression, but also its structure. The general problem of machine learning by methods of symbolic regression is described and a unified approach to overcoming it based on the application of the principle of small variations of the basis solution

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Roy, Subhro, and Dan Roth. "Mapping to Declarative Knowledge for Word Problem Solving." Transactions of the Association for Computational Linguistics 6 (December 2018): 159–72. http://dx.doi.org/10.1162/tacl_a_00012.

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Math word problems form a natural abstraction to a range of quantitative reasoning problems, such as understanding financial news, sports results, and casualties of war. Solving such problems requires the understanding of several mathematical concepts such as dimensional analysis, subset relationships, etc. In this paper, we develop declarative rules which govern the translation of natural language description of these concepts to math expressions. We then present a framework for incorporating such declarative knowledge into word problem solving. Our method learns to map arithmetic word proble

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Lin, Xin, Zhenya Huang, Hongke Zhao, et al. "HMS: A Hierarchical Solver with Dependency-Enhanced Understanding for Math Word Problem." Proceedings of the AAAI Conference on Artificial Intelligence 35, no. 5 (2021): 4232–40. http://dx.doi.org/10.1609/aaai.v35i5.16547.

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Automatically solving math word problems is a crucial task for exploring the intelligence levels of machines in the general AI domain. It is highly challenging since it requires not only natural language understanding but also mathematical expression inference. Existing solutions usually explore sequence-to-sequence models to generate expressions, where the problems are simply encoded sequentially. However, such models are generally far from enough for understanding problems as similar to humans and lead to incorrect answers. To this end, in this paper, we propose a novel Hierarchical Math Sol

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Clemons, Bil. "Solving the Membrane Protein Expression Problem." Biophysical Journal 112, no. 3 (2017): 329a—330a. http://dx.doi.org/10.1016/j.bpj.2016.11.1783.

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Mamiyeva, Turkan. "Solving the Cauchy and Boundary Value Problem for a Continuous Multiplicative Differential Equation of the Second Order." Euroasia Journal of Mathematics, Engineering, Natural & Medical Sciences 11, no. 35 (2024): 30–33. https://doi.org/10.5281/zenodo.13884817.

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In the presented work, the Cauchy and boundary value problem for the inhomogeneous equation with the second order multiplicative derivative in the case of discontinuity is considered. The general solution of the considered equation, which depends on two arbitrary constants, has been obtained. Then, when looking at the Cauchy problem, these arbitrary constants are determined from the given initial conditions, and when looking at the boundary problem, these arbitrary constants are determined from the given boundary conditions. Thus, analytical expressions have been obtained for the solution of t

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Peng, Xiangyang, Wei Liu, and Jinrong Shen. "A class of constrained inverse eigenvalue problem and associated approximation problem for symmetrizable matrices." Filomat 33, no. 7 (2019): 1903–9. http://dx.doi.org/10.2298/fil1907903p.

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The real symmetric matrix is widely applied in various fields, transforming non-symmetric matrix to symmetric matrix becomes very important for solving the problems associated with the original matrix. In this paper, we consider the constrained inverse eigenvalue problem for symmetrizable matrices, and obtain the solvability conditions and the general expression of the solutions. Moreover, we consider the corresponding optimal approximation problem, obtain the explicit expressions of the optimal approximation solution and the minimum norm solution, and give the algorithm and corresponding comp

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Ludlow, Peter. "Cognitive dynamics: Red Queen semantics versus the story of O." Belgrade Philosophical Annual 35, no. 2 (2022): 53–67. http://dx.doi.org/10.5937/bpa2202053l.

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It appears that indexicals must have fine-grained senses for us to explain things involving human action and emotions, and we typically identify these different senses with different modes of expression. On the other hand, we also express the very same thought in very different ways. The first problem is the problem of cognitive significance. The second problem is what Branquinho (1999) has called the problem of cognitive dynamics. The question is how we can solve both of those problems at the same time. Vojislav Božičković (2021) offers one solution in which the cognitive dynamics runs throug

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Cruz, Dalia. "Oral expression: a problem to be addressed." SCIÉNDO 23, no. 4 (2020): 293–98. http://dx.doi.org/10.17268/sciendo.2020.035.

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Cuisinier, Emmanuel. "Perception, Heroism, and the Problem of Expression." Journal of Speculative Philosophy 39, no. 3 (2025): 348–64. https://doi.org/10.5325/jspecphil.39.3.0348.

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ABSTRACT This article argues that current scholarship on Merleau-Ponty’s discussion of heroism contextualizes it within his political writings and, as a result of that, it neglects his interest in the primacy of perception for describing experiences of heroic action—such as the kind of heroism depicted in Saint-Exupéry’s memoir cited at the end of Phenomenology of Perception. This article further argues that he not only addresses heroism as a key solution to what he calls “the problem of freedom” at the perceptual level, but that he is also concerned with how it translates into the paradox of

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Tesi sul tema "Expression problem"

Sias, James Bar-On Dorit. "How the nature of expression constitutes a problem for expressivism." Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2009. http://dc.lib.unc.edu/u?/etd,2279.

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Thesis (M.A.)--University of North Carolina at Chapel Hill, 2009. Title from electronic title page (viewed Jun. 26, 2009). "... in partial fulfillment of the requirements for the degree of Master of Arts in the Department of Philosophy." Discipline: Philosophy; Department/School: Philosophy.

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Henderson, Ian. "Solving the inclusion body problem - a case study : high level expression of TEM-1 #beta#-lactamase in Escherichia coli." Thesis, University of Warwick, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.282432.

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Hooper, Emma G. "Maternal Emotion Expression, Depressive Symptoms, and Stress: Profiles in Relation to Child Emotion Socialization and Problem Behavior." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1374094882.

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Seefried, Sean Computer Science &amp Engineering Faculty of Engineering UNSW. "Language extension via dynamically extensible compilers." Awarded by:University of New South Wales. Computer Science and Engineering, 2006. http://handle.unsw.edu.au/1959.4/29524.

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This dissertation provides the motivation for and evidence in favour of an approach to language extension via dynamic loading of plug-ins. There is a growing realisation that language features are often a superior choice to software libraries for implementing applications. Among the benefits are increased usability, safety and efficiency. Unfortunately, designing and implementing new languages is difficult and time consuming. Thus, reuse of language infrastructure is an attractive implementation avenue. The central question then becomes, what is the best method to extend languages? Much res

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Erdogdu, Utku. "Efficient Partially Observable Markov Decision Process Based Formulation Of Gene Regulatory Network Control Problem." Phd thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614317/index.pdf.

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The need to analyze and closely study the gene related mechanisms motivated the research on the modeling and control of gene regulatory networks (GRN). Dierent approaches exist to model GRNs they are mostly simulated as mathematical models that represent relationships between genes. Though it turns into a more challenging problem, we argue that partial observability would be a more natural and realistic method for handling the control of GRNs. Partial observability is a fundamental aspect of the problem it is mostly ignored and substituted by the assumption that states of GRN are known p

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WENJING, ZHU. "CARRY A LIFE : The Exploration of How Carrying Affects The Expression of Wearing." Thesis, Högskolan i Borås, Institutionen Textilhögskolan, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-17712.

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Interested by the relation of function and fashion expression, this project choose ‘carry’ as an example function to dive in. It explores how ‘carry’ affects the expression of wearing and how it can be interpret into fashion expression. The research question - what do we carry in life - gives the foundation in the developing of an aesthetic for sustaining. Problem solving was the methodology that I adopted from Industrial design. Together with other methods, it helped me in deign rationale. During the exploration, ‘carry’ is analyzed, decomposed and translated into a conceptual collection. The

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Ralić, Sara. "Interprétation et traduction d’expressions figées du français vers le serbe dans un corpus littéraire contemporain." Thesis, Paris 4, 2015. http://www.theses.fr/2015PA040196.

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Cette thèse propose une analyse de l’expression figée en tant que signe linguistique complexe, stable, variable et dynamique et en tant que problème de traduction à partir d’un corpus composé d’œuvres littéraires contemporaines françaises et de leurs traductions serbes. Le discours met en évidence la distance entre la signification du modèle et le sens de l’expression figée sémantiquement accomplie imbriquée dans le texte, dont l’une des réalisations est le défigement qui, lui, ne consiste simplement pas à renverser les critères syntaxiques, mais à élaborer un nouveau signifié de synthèse au s

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Checcucci, Érica de Sousa. "Ensino-aprendizagem de BIM nos cursos de graduação em engenharia civil e o papel da expressão gráfica neste contexto." Faculdade de Educação, 2014. http://repositorio.ufba.br/ri/handle/ri/15295.

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Submitted by Érica Checcucci (erica.checcucci@univasf.edu.br) on 2014-05-03T15:04:50Z No. of bitstreams: 1 TESE -final - 17_4.pdf: 5511812 bytes, checksum: 7bf4dece9310718a9ad7f50bcb5dfc7c (MD5) Approved for entry into archive by Maria Auxiliadora da Silva Lopes (silopes@ufba.br) on 2014-07-25T14:34:39Z (GMT) No. of bitstreams: 1 TESE -final - 17_4.pdf: 5511812 bytes, checksum: 7bf4dece9310718a9ad7f50bcb5dfc7c (MD5) Made available in DSpace on 2014-07-25T14:34:39Z (GMT). No. of bitstreams: 1 TESE -final - 17_4.pdf: 5511812 bytes, checksum: 7bf4dece9310718a9ad7f50bcb5dfc7c (MD5) UN

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Christo, Danilo dos Santos. "Introdução da noção de variável em expressões algébricas por meio da resolução de problemas: Uma abordagem dinâmica." Pontifícia Universidade Católica de São Paulo, 2006. https://tede2.pucsp.br/handle/handle/11080.

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Made available in DSpace on 2016-04-27T16:57:46Z (GMT). No. of bitstreams: 1 EDM - Danilo S Christo.pdf: 629300 bytes, checksum: 0ef0463bceff1c7bfe0b4f7fdda99796 (MD5) Previous issue date: 2006-10-31 Students difficulties in writing and interpreting algebraic language, particularly in comprehending the meaning of variable have been discussed by such researchers as Kieran, Küchemann, Arcavi and others. In this research, we evaluate a teaching proposal in which it is aimed at explaining established relations between elements of circumstances of proportionality and generalizable arithmetic

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Goria, Stéphane. "L'Expression du problème dans la Recherche d'Informations: Application à un contexte d'Intermédiation Territoriale." Phd thesis, Université Nancy II, 2006. http://tel.archives-ouvertes.fr/tel-00011918.

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L'Intelligence Territoriale est un concept récemment apparu en France. Nous l'avons identifié comme la conjugaison d'actions d'Intelligence Economique et de Knowledge Management appliquées à un territoire. L'Intermédiation Territoriale en est une forme particulière, qui s'appuie sur la notion de médiation et l'utilisation d'intermédiaire(s) humain(s). Nous avons participé à la mise en place d'un tel dispositif, dans lequel les intermédiaires humains sont notamment chargés de résoudre des problèmes informationnels pour des tiers. Nos travaux ont cherché à améliorer l'efficacité de ces personnel

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Libri sul tema "Expression problem"

Stepney, Stella A. Art therapy with students at risk: Fostering resilience and growth through self-expression. 2nd ed. Charles C. Thomas, 2010.

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Stepney, Stella A. Art therapy with students at risk: Fostering resilience and growth through self-expression. 2nd ed. Charles C. Thomas, 2010.

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Henderson, Ian. Solving the inclusion body problem: A case study : high level expression of TEM-1 [beta]-lactamase in Escherichia coli. typescript, 1993.

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Roy, Michel. Expressions idiomatiques en français. CFORP, 1998.

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Judi, Lesiak, ed. Problems in written expression: Assessment and remediation. Guilford Press, 1989.

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Harer, John B. Censorship of expression in the 1980s: Statistical survey. Greenwood, 1994.

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Pekarskai͡a, Irina Vladimirovna. Kontaminat͡sii͡a v kontekste problemy sistemnosti stilisticheskikh resursov russkogo i͡azyka. Khakasskiĭ gos. universitet im. N.F. Katanova, 2000.

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Wuthnow, Robert. The God problem: Expressing faith and being reasonable. University of California Press, 2012.

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John, Mason. Expressing generality. Centre for Mathematics Education, Open University, 1988.

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Incorporated, Girls. Girls enCourage: A component of Girls Inc. sporting chance, for girls ages 12-14 : outdoor adventure, nontraditional sports, communication and teambuilding, group and individual goal setting, responsible risk taking, creative self-expression, problem solving, leadership skills, expedition planning. Girls Inc., 2007.

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Capitoli di libri sul tema "Expression problem"

Torgersen, Mads. "The Expression Problem Revisited." In ECOOP 2004 – Object-Oriented Programming. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-24851-4_6.

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Laugier, Sandra. "Understanding, Meaning, and Expression." In Human Understanding as Problem, edited by Jesús Padilla Gálvez and Margit Gaffal. De Gruyter, 2018. http://dx.doi.org/10.1515/9783110613384-007.

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Mayr, Ernst W. "The Dynamic Tree Expression Problem." In Concurrent Computations. Springer US, 1988. http://dx.doi.org/10.1007/978-1-4684-5511-3_10.

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Ferreira, Cândida. "Gene Expression Programming in Problem Solving." In Soft Computing and Industry. Springer London, 2002. http://dx.doi.org/10.1007/978-1-4471-0123-9_54.

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Merz, Peter, and Andreas Zell. "Clustering Gene Expression Profiles with Memetic Algorithms." In Parallel Problem Solving from Nature — PPSN VII. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-45712-7_78.

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Bartoli, Alberto, Simone Cumar, Andrea De Lorenzo, and Eric Medvet. "Compressing Regular Expression Sets for Deep Packet Inspection." In Parallel Problem Solving from Nature – PPSN XIII. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-10762-2_39.

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Ferreira, Margarida, Miguel Terra-Neves, Miguel Ventura, Inês Lynce, and Ruben Martins. "FOREST: An Interactive Multi-tree Synthesizer for Regular Expressions." In Tools and Algorithms for the Construction and Analysis of Systems. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-72016-2_9.

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AbstractForm validators based on regular expressions are often used on digital forms to prevent users from inserting data in the wrong format. However, writing these validators can pose a challenge to some users.We present Forest, a regular expression synthesizer for digital form validations. Forest produces a regular expression that matches the desired pattern for the input values and a set of conditions over capturing groups that ensure the validity of integer values in the input. Our synthesis procedure is based on enumerative search and uses a Satisfiability Modulo Theories (SMT) solver to

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Czajkowski, Marcin, Krzysztof Jurczuk, and Marek Kretowski. "Generic Relative Relations in Hierarchical Gene Expression Data Classification." In Parallel Problem Solving from Nature – PPSN XVI. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58115-2_26.

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Chen, Ying-ping, and David E. Goldberg. "Introducing Start Expression Genes to the Linkage Learning Genetic Algorithm." In Parallel Problem Solving from Nature — PPSN VII. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-45712-7_34.

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Jorro-Aragoneses, Jose L., Belén Díaz-Agudo, and Juan A. Recio-García. "Addressing the Cold-Start Problem in Facial Expression Recognition." In Case-Based Reasoning Research and Development. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-24586-7_14.

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Atti di convegni sul tema "Expression problem"

Landero-Sepúlveda, Pamela, Sofia Castro-Castro, and Mario Inostroza-Ponta. "Evaluating Alternate Feature Sets as a Local Search Strategy for Gene Expression Feature Selection Problem." In 2024 43rd International Conference of the Chilean Computer Science Society (SCCC). IEEE, 2024. https://doi.org/10.1109/sccc63879.2024.10767621.

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Li, Y., F. P. Dawalibi, J. Cheng, and Y. Jiang. "Integrated Corrosion Analysis Software and Its Application to Dc Corrosion Analysis." In CONFERENCE 2023. NACE International, 2023. https://doi.org/10.5006/c2023-18819.

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Abstract This paper introduces a novel approach to analyze corrosion effects and to model electrochemical problems with non-linear boundary conditions. The computation of the electrical current distribution along protected structures is based on an automated algorithm involving the polarization curves and an integrated iterative process. The method is first used to solve a well-known benchmark test problem and the results are compared to those obtained using the benchmark analytical expression. Then, an example of a realistic cathodic protection system aimed at mitigating stray currents from a

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Wang, Yanlin, and Bruno C. d. S. Oliveira. "The expression problem, trivially!" In Modularity '16: 15th International Conference on Modularity. ACM, 2016. http://dx.doi.org/10.1145/2889443.2889448.

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Black, Andrew P. "The Expression Problem, Gracefully." In ECOOP '15: European Conference on Object-Oriented Programming ECOOP 2015. ACM, 2015. http://dx.doi.org/10.1145/2786555.2786556.

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Valizadeh, Mojtaba, Philip John Gorinski, Ignacio Iacobacci, and Martin Berger. "Correct and Optimal: The Regular Expression Inference Challenge." In Thirty-Third International Joint Conference on Artificial Intelligence {IJCAI-24}. International Joint Conferences on Artificial Intelligence Organization, 2024. http://dx.doi.org/10.24963/ijcai.2024/717.

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We propose regular expression inference (REI) as a challenge for code/language modelling, and the wider machine learning community. REI is a supervised machine learning (ML) and program optimisation task, and poses the problem of finding minimal regular expressions from examples: Given two finite sets of strings P and N and a cost function cost(·), the task is to generate an expression r that accepts all strings in P and rejects all strings in N , while no other such expression r′ exists with cost(r′) < cost(r). REI has advantages as a challenge problem: (i) regular expressions are well-kno

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Jamkhedkar, Pramod A., Gregory L. Heileman, and Iván Martínez-Ortiz. "The problem with rights expression languages." In the ACM workshop. ACM Press, 2006. http://dx.doi.org/10.1145/1179509.1179522.

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Cai, Liang-Wu. "Using MATLAB to Enhance Engineering Students’ Analytical Problem-Solving Skills." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43020.

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Symbolic analysis is one of the most feared tasks for many undergraduate students in engineering disciplines. Students argue that, without numerical values, it is difficult to make a sense out of a long expression. Instructors have experienced that students are diffident in such analyses; and they quickly lose interest in the topic. This trend has been enhanced with more prevalent use of computers in engineering curricula in recent years. In the senior level Mechanical Vibrations course, this author has experimented with an innovative procedure of using mathematical software such as MATLAB to

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Wang, Desheng, Yubo Qian, Yu Xing, et al. "Problem Kit System for Expression Ability Evaluation." In 2020 7th International Conference on Dependable Systems and Their Applications (DSA). IEEE, 2020. http://dx.doi.org/10.1109/dsa51864.2020.00067.

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Carvalho Junior, Francisco Heron de. "The expression problem in platform-aware programming." In Simpósio Brasileiro de Linguagens de Programação. Sociedade Brasileira de Computação, 2024. http://dx.doi.org/10.5753/sblp.2024.3689.

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Platform-aware programming involves making assumptions about specific features of the target execution environment to improve performance. We restate a fundamental problem in software extensibility called The Expression Problem for platform-aware programming to show how a solution based on dynamic multiple dispatch over platform types may improve such a performance engineering practice.

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Awal, Ahmad-Montaser, Harold Mouchere, and Christian Viard-Gaudin. "The Problem of Handwritten Mathematical Expression Recognition Evaluation." In 2010 International Conference on Frontiers in Handwriting Recognition (ICFHR). IEEE, 2010. http://dx.doi.org/10.1109/icfhr.2010.106.

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Rapporti di organizzazioni sul tema "Expression problem"

Mayr, Ernst W. The Dynamic Tree Expression Problem,. Defense Technical Information Center, 1987. http://dx.doi.org/10.21236/ada323937.

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Chejanovsky, Nor, and Bruce D. Hammock. Enhancement of Baculoviruses' Insecticidal Potency by Expression of Synergistic Anti-Insect Scorpion Toxins. United States Department of Agriculture, 1996. http://dx.doi.org/10.32747/1996.7573070.bard.

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The extensive use or non-specific, hazardous, chemical insecticides demands the development of "healthier" alternative means for pest control. Insect-specific, baculoviruses expressing anti-insect toxin genes (from mites or scorpions) demonstrated in laboratory assays and field trials enhanced insecticidal activity and provided some protection from lepidopterous larvae to agricultural plantations. To utilize recombinant baculoviruses as commercial biopesticides in row crop agriculture, further increase in their speed of kill should be achieved and the reduction in crop damage should be compara

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Pichersky, Eran, Alexander Vainstein, and Natalia Dudareva. Scent biosynthesis in petunia flowers under normal and adverse environmental conditions. United States Department of Agriculture, 2014. http://dx.doi.org/10.32747/2014.7699859.bard.

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The ability of flowering plants to prosper throughout evolution, and for many crop plants to set fruit, is strongly dependent on their ability to attract pollinators. To that end many plants synthesize a spectrum of volatile compounds in their flowers. Scent is a highly dynamic trait that is strongly influenced by the environment. However, with high temperature conditions becoming more common, the molecular interplay between this type of stress and scent biosynthesis need to be investigated. Using petunia as a model system, our project had three objectives: (1) Determine the expression pattern

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Ohad, Nir, and Robert Fischer. Control of Fertilization-Independent Development by the FIE1 Gene. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7575290.bard.

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A fundamental problem in biology is to understand how fertilization initiates reproductive development. During plant reproduction, one sperm cell fuses with the egg to form an embryo, whereas a second sperm cell fuses with the adjacent central cell nucleus to form the endosperm tissue that supports embryo and/or seedling development. To understand the mechanisms that initiate reproduction, we have isolated mutants of Arabidopsis that allow for replication of the central cell and subsequent endosperm development without fertilization. In this project we have cloned the MEA gene and showed that

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Heifetz, Yael, and Michael Bender. Success and failure in insect fertilization and reproduction - the role of the female accessory glands. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7695586.bard.

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The research problem. Understanding of insect reproduction has been critical to the design of insect pest control strategies including disruptions of mate-finding, courtship and sperm transfer by male insects. It is well known that males transfer proteins to females during mating that profoundly affect female reproductive physiology, but little is known about the molecular basis of female mating response and no attempts have yet been made to interfere with female post-mating responses that directly bear on the efficacy of fertilization. The female reproductive tract provides a crucial environm

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Leach, Roland M., Mark Pines, Carol V. Gay, and Shmuel Hurwitz. In vivo and in vitro Chondrocyte Metabolism in Relationship to the Developemnt of Tibial Dyschondroplasia in Broiler Chickens. United States Department of Agriculture, 1993. http://dx.doi.org/10.32747/1993.7568090.bard.

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Abstract (sommario):

Skeletal deformities are a significant financial and welfare problem for the world poultry industry. Tibial dyschondroplasia (TD) is the most prevalent skeletal abnormality found in young broilers, turkeys and ducks. Tibial dyschondroplasia results from a perturbation of the sequence of events in the epiphyseal growth plate, the tissue responsible for longitudinal bone growth. The purpose of this investigation was to test the hypothesis that TD was the result of a failure of growth plate chondrocytes to differentiate and express the chemotactic molecules required for cartilage vascularization.

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Sessa, Guido, and Gregory Martin. Role of GRAS Transcription Factors in Tomato Disease Resistance and Basal Defense. United States Department of Agriculture, 2005. http://dx.doi.org/10.32747/2005.7696520.bard.

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The research problem: Bacterial spot and bacterial speck diseases of tomato are causedby strains of Xanthomonas campestris pv. vesicatoria (Xcv) and Pseudomonas syringae pv.tomato (Pst), respectively. These bacteria colonize aerial parts of the plant and causesignificant losses in tomato production worldwide. Protection against Xcv and Pst bycultural practices or chemical control has been unsuccessful and there are only limitedsources of genetic resistance to these pathogens. In previous research supported in part byBARD IS-3237-01, we extensively characterized changes in tomato gene expressio

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Crisosto, Carlos, Susan Lurie, Haya Friedman, Ebenezer Ogundiwin, Cameron Peace, and George Manganaris. Biological Systems Approach to Developing Mealiness-free Peach and Nectarine Fruit. United States Department of Agriculture, 2007. http://dx.doi.org/10.32747/2007.7592650.bard.

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Abstract (sommario):

Peach and nectarine production worldwide is increasing; however consumption is flat or declining because of the inconsistent eating quality experienced by consumers. The main factor for this inconsistent quality is mealiness or woolliness, a form of chilling injury that develops following shipping periods in the global fruit market today. Our research groups have devised various postharvest methods to prolong storage life, including controlled atmosphere and delayed storage; however, these treatments only delay mealiness. Mealiness texture results from disruption of the normal ripening process

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Friedman, Haya, Chris Watkins, Susan Lurie, and Susheng Gan. Dark-induced Reactive Oxygen Species Accumulation and Inhibition by Gibberellins: Towards Inhibition of Postharvest Senescence. United States Department of Agriculture, 2009. http://dx.doi.org/10.32747/2009.7613883.bard.

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Abstract (sommario):

Dark-induced senescence could pose a major problem in export of various crops including cuttings. The assumption of this work was that ROS which is increased at a specific organelle can serve as a signal for activation of cell senescence program. Hormones which reduce senescence in several crops like gibberellic acid (GA) and possibly cytokinin (CK) may reduce senescence by inhibiting this signal. In this study we worked on Pelargonium cuttings as well as Arabidopsis rosette. In Pelargonium the increase in ROS occurred concomitantly with increase in two SAGs, and the increase persisted in isol

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Tucker, Mark L., Shimon Meir, Amnon Lers, Sonia Philosoph-Hadas, and Cai-Zhong Jiang. Elucidation of signaling pathways that regulate ethylene-induced leaf and flower abscission of agriculturally important plants. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7597929.bard.

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Abstract (sommario):

The Problem: Abscission is a highly regulated process, occurring as a natural terminal stage of development, in which various organs are separated from the parent plant. In most plant species, the process is initiated by a decrease in active auxin in the abscission zone (AZ) and an increase in ethylene, and may be accelerated by postharvest or environmental stresses. Another potential key regulator in abscission is IDA (Inflorescence Deficient in Abscission), which was identified as an essential peptide signal for floral organ abscission in Arabidopsis. However, information is still lacking re

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