Bibliografías temáticas / Conceptual modelling language

Literatura académica sobre el tema "Conceptual modelling language"

Autor: Grafiati
Publicado: 5 de octubre de 2024

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Artículos de revistas sobre el tema "Conceptual modelling language"

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Fillotrani, Pablo y C. Maria Keet. "Evidence-based lean conceptual data modelling languages". Journal of Computer Science and Technology 21, n.º 2 (21 de octubre de 2021): e10. http://dx.doi.org/10.24215/16666038.21.e10.

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Multiple logic-based reconstructions of conceptual data modelling languages such as EER, UML Class Diagrams, and ORM exist. They mainly cover various fragments of the languages and none are formalised such that the logic applies simultaneously for all three modelling language families as unifying mechanism. This hampers interchangeability, interoperability, and tooling support. In addition, due to the lack of a systematic design process of the logic used for the formalisation, hidden choices permeate the formalisations that have rendered them incompatible. We aim to address these problems, first, by structuring the logic design process in a methodological way. We generalise and extend the DSL design process to apply to logic language design more generally and, in particular, by incorporating an ontological analysis of language features in the process. Second, we specify minimal logic profiles availing of this extended process, including the ontological commitments embedded in the languages, of evidence gathered of language feature usage, and of computational complexity insights from Description Logics (DL). The profiles characterise the essential logic structure needed to handle the semantics of conceptual models, therewith enabling the development of interoperability tools. There is no known DL language that matches exactly the features of thoseprofiles and the common core is small (in the tractable DL ALNI). Although hardly any inconsistencies can be derived with the profiles, it is promising for scalable runtime use of conceptual data models.
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Dignum, F., T. Kemme, W. Kreuzen, H. Weigand y R. P. van de Riet. "Constraint modelling using a conceptual prototyping language". Data & Knowledge Engineering 2, n.º 3 (septiembre de 1987): 213–54. http://dx.doi.org/10.1016/0169-023x(87)90031-0.

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Guizzardi, Giancarlo y Terry Halpin. "Ontological foundations for conceptual modelling". Applied Ontology 3, n.º 1-2 (2008): 1–12. http://dx.doi.org/10.3233/ao-2008-0049.

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Nagórka, Piotr. "Conceptual Maps of European Values". International Journal on Language, Literature and Culture in Education 4, n.º 1 (1 de junio de 2017): 3–33. http://dx.doi.org/10.1515/llce-2017-0001.

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AbstractSystems of human values reflected in European languages have not yet been diagnosed in language sciences, as no accurate diagnostic measures have been proposed. Research has been conducted into methods of modelling conceptual systems of moral values. Since ethics, unlike subjects related to natural sciences, resists lexicographic approach reliant on topicality, linked with market demand, a new research method has been devised. Specialised lexicography tools can be optimized to deal with the subject of ethics. The new method takes into account differences between subject areas regarding their associations with a type of science. Systems of human values can be measured based on prioritizing documents created in European languages according to the degree to which concepts referred to in these documents are fixed. These findings give rise to a cross-historical and cross-cultural linguistic enterprise. Its aim is to identify moral concepts and to connect them into semantic maps. The maps, one per language, are contrasted to find out which moral concepts are ‘shared’ across languages, and which of them are less common, or language specific. The model of ‘common’ values can be seen as an instrument to preserve and promote European moral heritage.
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Bouraoui, Zied, Jose Camacho-Collados, Luis Espinosa-Anke y Steven Schockaert. "Modelling Semantic Categories Using Conceptual Neighborhood". Proceedings of the AAAI Conference on Artificial Intelligence 34, n.º 05 (3 de abril de 2020): 7448–55. http://dx.doi.org/10.1609/aaai.v34i05.6241.

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While many methods for learning vector space embeddings have been proposed in the field of Natural Language Processing, these methods typically do not distinguish between categories and individuals. Intuitively, if individuals are represented as vectors, we can think of categories as (soft) regions in the embedding space. Unfortunately, meaningful regions can be difficult to estimate, especially since we often have few examples of individuals that belong to a given category. To address this issue, we rely on the fact that different categories are often highly interdependent. In particular, categories often have conceptual neighbors, which are disjoint from but closely related to the given category (e.g. fruit and vegetable). Our hypothesis is that more accurate category representations can be learned by relying on the assumption that the regions representing such conceptual neighbors should be adjacent in the embedding space. We propose a simple method for identifying conceptual neighbors and then show that incorporating these conceptual neighbors indeed leads to more accurate region based representations.
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Dietz, Gunnar y Martin Juhrisch. "Negotiating language barriers – a methodology for cross-organisational conceptual modelling". European Journal of Information Systems 21, n.º 3 (mayo de 2012): 229–54. http://dx.doi.org/10.1057/ejis.2011.30.

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Ureña Gómez-Moreno, Pedro. "La lucha contra el terrorismo y la delincuencia organizada: Una visión desde la lingüística y la ingeniería del conocimiento". Miscelánea: A Journal of English and American Studies 53 (15 de diciembre de 2016): 107–23. http://dx.doi.org/10.26754/ojs_misc/mj.20166835.

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The aim of Natural Language Processing is to create computational systems for the production and comprehension of language by machines. In this regard, symbolic approaches to language put forth conceptual models which represent both common and specialised knowledge. This paper describes the ontological modelling of the “collective criminal agent” and its implementation in FunGramKB, a knowledge base for language processing and artificial reasoning. More specifically, the study focuses on the conceptual definition of three terminological units from the domains of terrorism and organised crime: cartel, oriented cluster, and terrorist cell. The main assumption is that ontological modelling applied to language technologies can play a major role in combating a variety of security threats to today’s society.
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Christophe, F., R. Sell y E. Coatanéa. "Conceptual design framework supported by dimensional analysis and System Modelling Language". Estonian Journal of Engineering 57, n.º 4 (2008): 303. http://dx.doi.org/10.3176/eng.2008.4.02.

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Andersson, Kjell, Petri Makkonen y Jan-Gunnar Persson. "A Proposal to a Product Modelling Language to Support Conceptual Design". CIRP Annals 44, n.º 1 (1995): 129–32. http://dx.doi.org/10.1016/s0007-8506(07)62290-2.

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SAAKE, GUNTER, RALF JUNGCLAUS y THORSTEN HARTMANN. "APPLICATION MODELLING IN HETEROGENEOUS ENVIRONMENTS USING AN OBJECT SPECIFICATION LANGUAGE". International Journal of Cooperative Information Systems 02, n.º 04 (diciembre de 1993): 425–49. http://dx.doi.org/10.1142/s0218215793000198.

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We propose an object-oriented logical formalism to conceptionally model applications in an interoperable environment. Such an environment consists of heterogeneous and autonomous local (database) systems. Applications in such an environment use several resources and services. Their conceptual modelling involves re-specification of existing systems in terms of homogeneous views, modelling of behavior and system dynamics, modelling of logically distributed components in an open environment and the modelling of communication relationships and dependencies between components. We introduce a formal object-oriented language capable of dealing with these requirements and illustrate its use to model applications in an interoperable environment.
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Tesis sobre el tema "Conceptual modelling language"

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Ruiz, Carmona Luz Marcela. "TraceME: Traceability-based Method for Conceptual Model Evolution". Doctoral thesis, Universitat Politècnica de València, 2016. http://hdl.handle.net/10251/64553.

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[EN] Renewing software systems is one of the most cost-effective ways to protect software investment, which saves time, money and ensures uninterrupted access to technical support and product upgrades. There are several motivations to promote investment and scientific effort for specifying systems by means of conceptual models and supporting its evolution. In order to contribute to the requirements engineering field with automated software production methods, we design TraceME to cover the spectrum of activities from requirements to code focusing on organisational evolution. In this sense, the spectrum of activities involves various information system perspectives of analysis that need to be integrated. In this complex setting, traceability and conceptual models are key concepts. Mechanisms to trace software specifications from requirements to code are important to justify evolution processes; versions of information systems should be traced in order to get the connection between old and new specifications. Moreover, it is necessary to find mechanisms to facilitate change specifications, measurement, and interpretation. To design this thesis we follow Design Science by Roel Wieringa. Design Science gives us the hints on how to conduct the research, be rigorous, and put in practice scientific rules. Besides Design Science has been a key factor for structuring our research, we acknowledge the application of this framework since it has helps us to report clearly our findings. We build TraceME by making a method engineering effort, which shapes its fragmented nature in chunks. The architecture of TraceME opens a wide window of opportunities for its application in real world situations. To facilitate industrial adoption, we develop open source tools to support the implementation of the TraceME chunks. For example, one case study and one action-research protocols have been executed in two different organisations in Spain. The validation of TraceME has taken place in laboratory demonstrations, controlled experiments, action research and case study experiences in industry. Thanks to the validations various lessons learnt have been gathered and greatly influenced the maturity of the method. For example: the importance to consider end-users' perceptions for discovering needs to mitigate, and the significance to get knowledge from the application of TraceME in different contexts. The evidences from the validations demonstrate that TraceME is feasible to be applied to support evolution projects. In addition, future research is needed for promoting the implementation of TraceME. We envision short term and future-term work that motivate us to tackle the challenge to support evolution projects.
[ES] La evolución de sistemas software es una de las actividades mas importantes que permiten minimizar el tiempo de puesta en producción de actualizaciones y nuevos desarrollos, reducir los costos que implica desarrollar una aplicación desde cero, y además asegura el acceso ininterrumpido de servicios. Existen variadas motivaciones para promover la investigación y desarrollo de soluciones para especificar y evolucionar sistemas de información mediante modelos conceptuales. Para contribuir al campo de la ingeniería de requisitos con métodos automáticos de producción de software, hemos diseñado el método TraceME para cubrir el espectro de actividades desde requisitos a código con un enfoque de evolución organizacional. De este modo, el espectro de actividades involucra diferentes perspectivas de análisis de sistemas de información que necesitan ser integradas. En este escenario tan complejo, la trazabilidad y los modelos conceptuales son conceptos clave. Es necesario disponer de mecanismos para trazar especificaciones de software desde requisitos a código con el fin de justificar procesos de evolución. Las versiones de los sistemas de información deben ser trazables con el fin de establecer la conexión entre especificaciones obsoletas y actuales. Adicionalmente, es necesario encontrar mecanismos para facilitar la especificación del cambio, su medición e interpretación. Para diseñar esta tesis hemos seguido el marco de Design Science de Roel Wieringa. Design Science nos ha proporcionado las claves para conducir esta investigación, ser rigurosos y poner en práctica reglas científicas. Además de que Design Science ha sido un factor clave para estructurar nuestra investigación, reconocemos que la aplicación de este marco nos ha ayudado a reportar claramente nuestros hallazgos. Hemos aplicado ingeniería de métodos para diseñar y construir TraceME. Gracias a esto, la naturaleza de TraceME es conformada mediante fragmentos de método. La arquitectura de TraceME abre una amplia ventana de oportunidades para su aplicación en situaciones de la vida real. Para facilitar la adopción industrial de TraceME, hemos desarrollado herramientas de software libre para dar soporte a los fragmentos de TraceME. Por ejemplo, un caso de estudio y una experiencia de action research han sido ejecutadas en dos organizaciones en España. La validación de TraceME ha sido llevada a cabo mediante demostraciones de laboratorio, experimentos controlados, un caso de estudio y una experiencia de action research en industria. Como resultado, TraceME ha sido mejorado considerablemente; además hemos descubierto investigaciones a realizar a corto, mediano y largo plazo con el fin de implementar TraceME en la industria. Las evidencias obtenidas como resultado de las validaciones demuestra la factibilidad de TraceME para ser aplicado en proyectos de evolución organizacional. El trabajo futuro nos motiva a afrontar los retos que conlleva el soporte de proyectos de evolución de sistemas de información.
[CAT] L'evolució dels sistemes programari és una de les activitats més importants que permeten minimitzar el temps de posada en producció d'actualitzacions i nous desenvolupaments, reduir els costos que involucra desenvolupar una aplicació des de cero, a més d' assegurar l'accés ininterromput de serveis. Existixen diverses motivacions per promoure la investigació i desenvolupament de solucions per a especificar i evolucionar sistemes de informació mitjançant models conceptuals. Per tal de contribuir al camp de l'enginyeria de requisits amb mètodes automàtics de producció de programari, hem dissenyat el mètode TraceME per cobrir l'espectre d'activitats des de requisits a codi en un enfocament d'evolució organitzacional. Així, l'espectre d'activitats involucra diferents perspectives d'anàlisi de sistemes d'informació que necessiten ser integrades. En aquest escenari tan complex, la traçabilitat i els models conceptuals són conceptes clau. És necessari disposar de mecanismes per traçar especificacions de programari des de requisits a codi amb la fi de justificar processos d'evolució. Les versions dels sistemes d'informació deuen ser traçables amb la fi d'establir la connexió entre especificacions obsoletes i actuals. Addicionalment, és necessari trobar mecanismes per facilitar l'especificació del canvi, la seua mesura i interpretació. Per tal de dissenyar aquesta tesi, hem seguit el marc de Design Science de Roel Wieringa. Design Science ens ha proporcionat les claus per conduir aquesta investigació, ser rigorosos i posar en pràctica regles científiques. A més a més, Design Science ha sigut un factor clau per estructurar la nostra investigació, reconeixem que l'aplicació de aquest marc ens a ajudat a reportar clarament els nostres resultats. Hem aplicat enginyeria de mètodes per dissenyar i construir TraceME. Gràcies a açò, la natura de TraceME es conforma mitjançant fragments de mètodes. L'arquitectura de TraceME obri una ampla finestra d'oportunitats per a la seua aplicació en situacions de la vida real. Per facilitar l'adopció industrial de TraceME, hem desenvolupat ferramentes de programari lliure per tal de donar suport als fragments de TraceME. Per exemple, un cas d'estudi i una experiència de action research han sigut executades en dos organitzacions a Espanya. La validació de TraceME ha sigut portada a cap mitjançant demostracions de laboratori, experiments controlats , un cas d'estudi i una experiència de action research en l'industria. Com a resultat, TraceME ha sigut millorada considerablement; a més a més, hem descobert investigacions a realitzar a curt, mig i llarg termini amb la fi d'implementar TraceME a l'industria. Les evidències obtingudes com a resultat de les validacions, demostren la factibilitat de TraceME per ser aplicat en projectes d'evolució organitzacional. El treball futur presenta nous reptes que ens motiven a afrontar el suport de projectes d'evolució de sistemes d'informació.
Ruiz Carmona, LM. (2016). TraceME: Traceability-based Method for Conceptual Model Evolution [Tesis doctoral no publicada]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/64553
TESIS
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2

Owusu-Asamoah, Kwasi. "Modelling an information management system for the National Health Insurance Scheme in Ghana". Thesis, Loughborough University, 2014. https://dspace.lboro.ac.uk/2134/16415.

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The National Health Insurance Scheme (NHIS) in Ghana was introduced to alleviate the problem of citizens having to pay for healthcare at the point of delivery, given that many did not have the financial resources needed to do so, and as such were unable to adequately access healthcare services. The scheme is managed from the national headquarters in the capital Accra, through satellite offices located in districts right across the length and breadth of the country. It is the job of these offices to oversee the operations of the scheme within that particular district. Current literature however shows us that there is a digital divide that exists between the rural and urban areas of the country which has led to differences in the management of information within urban-based and rural-based districts. This thesis reviews the variables affecting the management of information within the scheme, and proposes an information management model to eliminate identified bottlenecks in the current information management model. The thesis begins by reviewing the theory of health insurance, information management and then finally the rural-urban digital divide. In addition to semi-structured interviews with key personnel within the scheme and observation, a survey questionnaire was also handed out to staff in nine different district schemes to obtain the raw data for this study. In identifying any issues with the current information management system, a comparative analysis was made between the current information management model and the real-world system in place to determine the changes needed to improve the current information management system in the NHIS. The changes discovered formed an input into developing the proposed information management system with the assistance of Natural Conceptual Modelling Language (NCML). The use of a mixed methodology in conducting the study, in addition to the employment of NCML was an innovation, and is the first of its kind in studying the NHIS in Ghana. This study is also the first to look at the differences in information management within the NHIS given the rural-urban digital divide.
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de, Greeff Joachim. "Interactive concept acquisition for embodied artificial agents". Thesis, University of Plymouth, 2013. http://hdl.handle.net/10026.1/1587.

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An important capacity that is still lacking in intelligent systems such as robots, is the ability to use concepts in a human-like manner. Indeed, the use of concepts has been recognised as being fundamental to a wide range of cognitive skills, including classification, reasoning and memory. Intricately intertwined with language, concepts are at the core of human cognition; but despite a large body or research, their functioning is as of yet not well understood. Nevertheless it remains clear that if intelligent systems are to achieve a level of cognition comparable to humans, they will have to posses the ability to deal with the fundamental role that concepts play in cognition. A promising manner in which conceptual knowledge can be acquired by an intelligent system is through ongoing, incremental development. In this view, a system is situated in the world and gradually acquires skills and knowledge through interaction with its social and physical environment. Important in this regard is the notion that cognition is embodied. As such, both the physical body and the environment shape the manner in which cognition, including the learning and use of concepts, operates. Through active partaking in the interaction, an intelligent system might influence its learning experience as to be more effective. This work presents experiments which illustrate how these notions of interaction and embodiment can influence the learning process of artificial systems. It shows how an artificial agent can benefit from interactive learning. Rather than passively absorbing knowledge, the system actively partakes in its learning experience, yielding improved learning. Next, the influence of embodiment on perception is further explored in a case study concerning colour perception, which results in an alternative explanation for the question of why human colour experience is very similar amongst individuals despite physiological differences. Finally experiments, in which an artificial agent is embodied in a novel robot that is tailored for human-robot interaction, illustrate how active strategies are also beneficial in an HRI setting in which the robot learns from a human teacher.
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4

Wang, Haobo. "Exploration du potentiel de la réalité virtuelle pour l'architecture système basée sur les modèles". Electronic Thesis or Diss., Université Grenoble Alpes, 2024. http://www.theses.fr/2024GRALI038.

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Les ingénieurs et architectes de systèmes basés sur des modèles, en particulier ceux qui passent de l'ingénierie logicielle à l'ingénierie des systèmes, affirment que les notations de modélisation de type SysML, des diagrammes symboliques bidimensionnels composés de boîtes et de lignes, sont indépendantes du domaine et donc très pratiques pour soutenir la définition interfonctionnelle de l'architecture d'un système. Toutefois, la syntaxe abstraite des diagrammes des notations d'architecture de systèmes basés sur des modèles (MBSA) rend leur adoption difficile, en particulier pour les non-experts en notation, et l'utilisation de graphiques iconiques est un moyen d'améliorer la situation. Peu d'études ont tenté de remplacer les diagrammes 2D par des visuels 3D immersifs, sans preuve objective. Nous supposons que cela est dû aux efforts de développement limités et au besoin de critères de qualité supplémentaires pour comparer les diagrammes 2D aux visuels 3D. Cette thèse soutient que les visuels 3D interactifs centrés sur l'homme devraient remplacer les diagrammes MBSA, le cas échéant, pour faciliter la communication et la participation à des activités de co-conception multidisciplinaires, de la définition de la mission à celle de l'architecture. Une combinaison de méthodes de validation empiriques montre que l'interface MBSA immersive 3D proposée augmente la satisfaction de l'utilisateur, fournit de meilleures notations visuelles et réduit la charge cognitive pour les activités MBSA mono- et multi-utilisateurs impliquant des experts et des non-experts. Les résultats prometteurs de cette recherche exploratoire ouvrent la voie à des études plus spécifiques pour accumuler des preuves scientifiques
Model-based systems engineers and architects, particularly those moving from software to systems engineering, claim that SysML-like modelling notations, symbolic two-dimensional diagrams made of boxes and lines, are domain-independent and, thus, very convenient to support the cross-functional definition of a system architecture. However, the abstract diagramming syntax of Model-Based Systems Architecting (MBSA) notations makes their adoption difficult, especially by notational nonexperts, and using iconic graphics is one way of improvement. Few studies attempted to replace 2D diagrams with immersive 3D visuals without objective evidence. We assume it is due to limited development efforts and a need for more quality criteria for comparing 2D diagrams with 3D visuals. This thesis will argue that human-centric interactive 3D visuals should replace MBSA diagrams where appropriate to facilitate communication and participation in multidisciplinary co-design activities from mission to architecture definition. A combination of empirical validation methods shows that the proposed 3D immersive MBSA interface increases user satisfaction, provides better visual notations, and reduces cognitive load for single- and multi-user MBSA activities involving experts and non-experts. Such promising results of this exploratory research pave the way for more specific studies to cumulate scientific evidence
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John, Manju Mereen. "An investigation into the use of ORM as a conceptual modelling technique with the UML domain model class diagram as benchmark". Diss., 2002. http://hdl.handle.net/10500/964.

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This study investigated the use of ORM as a conceptual modelling technique by using the UML domain model class diagram as benchmark. The rationale was that if the ORM-class diagram compared favourably with the benchmark, then ORM could be proposed as an alternate conceptual modelling technique. Proponents of ORM suggest that it has significant advantages over other techniques for conceptual modelling. The benchmark UML class diagram was developed according to the Unified Process through use-cases and collaboration diagrams. The ORM-class diagram was derived using the Conceptual Schema Design Process and ORM-UML Mapping Process. The evaluation of the two class diagrams was conducted by means of a questionnaire, based on a set of principles for conceptual models. The study concluded that ORM could not be proposed as a conceptual modelling technique up to the UML domain class diagram level without considering additional techniques for capturing the dynamics of the system.
Computer Science
M.Sc. (Computer Science)
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6

Oliveira, Bruno Moisés Teixeira. "A pattern-based approach for ETL systems modelling and validation". Doctoral thesis, 2018. http://hdl.handle.net/1822/56801.

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Tese de Doutoramento em Informática
Usually, a data warehousing system stores data in an integrated and consistent way, making it an ideal data repository to support decision-making processes. However, to keep this repository properly updated it is necessary to access to a variety of information sources, transform the data gathered according to the established decision-making requirements and load that data into the Data Warehouse System data repository – the data warehouse. All these tasks are done by highly sophisticated programs that together integrates what we use to define as the ETL system. The ETL (Extract, Transform, Load) system is responsible to perform all those tasks, being considered a very time-consuming, error-prone and complex process, involving several participants from different knowledge domains. They are one of the most important components of a data warehousing system, strongly influenced by the complexity of business requirements, their changing, and evolution. These aspects influence not only the structure of a data warehouse itself but also the information sources schemas involved with, since they must handle data with complex data requirements and transformation routines. Moreover, ETL systems are data-oriented processes composed of dozens of granular tasks arranged based on specific languages and architectures, which results in technical and complex terms, difficult to understand and maintain. Despite the efforts done by several researchers for the modelling and implementing them, a solid and simpler approach providing the necessary bridges to create the conceptual and logical models, and validate them before its final implementation is still lacking. However, a specific subset of these tasks can be grouped on a collection together with their relationships to form abstract constructs. Thus, to facilitate the planning and ETL implementation, this work aims to present a set of constructs that represent meta-models (patterns) specially designed to map standard ETL procedures, providing the necessary bridges to represent them at the conceptual level and provide its mapping to execution primitives. Basically, these (ETL) patterns are comprised of a set of abstract components that can be configured to enable its instantiation for specific application scenarios. With them, generic models can be built, simplifying process views and providing methods for carrying out the acquired expertise to new applications based on well-proven practices that can be used to describe general solutions based on specific skeletons configured and instantiated according to a set of specific integration requirements. The ETL pattern-based approach presented uses BPMN (Business Process Model and Notation) for modelling conceptual ETL workflows, mapping them to real execution primitives using a domain-specific language that allows for the generation of instances that can be executed in an ETL commercial tool. This work demonstrates the feasibility and effectiveness of an ETL pattern-based approach, analysing a test scenario for data integration based on the pattern framework proposed.
Os sistemas de Data Warehousing suportam o armazenamento de grandes quantidades de dados de forma integrada e consistente, tornando-o num sistema ideal para o suporte de processos de tomada de decisão. De forma a manter os seus repositórios devidamente atualizados, os dados extraídos das fontes de informação utilizadas devem ser transformados de acordo com os requisitos de tomada de decisão para posterior povoamento do seu repositório de armazenamento – o Data Warehouse. Todas essas tarefas de gestão e transformação de dados são suportadas por processos de povoamento que com base em sofisticadas estratégias caracterizam o sistema de ETL. Os processos de ETL (Extract, Transform, Load) são processos bastante específicos, orientados a dados e com uma estrutura que requer a atenção de recursos humanos altamente especializados de diversos domínios. A sua composição é essencialmente baseada em operações muito detalhadas, baseadas em linguagens, metodologias e arquiteturas específicas que originam processos de grandes dimensões, difíceis de desenvolver e manter. Como resultado, o seu desenvolvimento e manutenção consume uma parte substancial dos recursos necessários para a implementação do sistema de Data Warehousing. Estas características são essencialmente afetadas pela mudança de requisitos que resulta de processos de negócio evolutivos que afetam não só a estrutura do Data Warehouse, mas também a estrutura das fontes de dados utilizadas. Nos últimos anos têm sido realizados desenvolvimentos significativos na área, no entanto, ainda não existe uma abordagem convincente e simples que com base na especificação conceptual e lógica de processos de ETL, proporcione um mapeamento em primitivas de execução tendo por base formalismos sólidos que garantam a noção de consistência do processo. Assim, no sentido de facilitar o seu processo de implementação, um conjunto de meta modelos (padrões) que representam tarefas de ETL tipicamente utilizadas e documentadas, são apresentados. Os padrões representam construtores de alto nível, que só por si permitem desenhar e validar uma primeira versão do sistema de povoamento antes de proceder à sua implementação, simplificando a representação de modelos mais abstratos (muito úteis para fases iniciais do desenvolvimento do projeto) e ao mesmo tempo disponibilizando os meios necessários para possibilitar o seu mapeamento para primitivas de execução. Desta forma, os recursos direcionados para suportar a fase de planeamento e desenho do projeto podem ser aproveitados em fases de desenvolvimento posteriores (essencialmente mais técnicas), proporcionando uma visão integradora e unificada do processo de desenvolvimento. Com esta abordagem, componentes abstratos podem ser configurados de forma a reorganizar as tarefas que os constituem para proporcionar a geração de instâncias geradas tendo em consideração casos muito particulares. Não só as diversas fases do desenvolvimento do projeto ficam simplificadas, como também é possível encapsular o conhecimento adquirido para outros projetos através da aplicação de práticas conhecidas e validadas, permitindo a construção de sistemas mais fiáveis associados a uma redução do tempo e recursos necessários para a sua implementação. A representação conceptual é suportada pela utilização de BPMN (Business Process Model and Notation), utilizando os construtores disponibilizados pela linguagem para o desenvolvimento de fluxos de trabalho bastante detalhados que descrevem os componentes utilizados e como estes se integram com os restantes componentes de ETL existentes. De seguida, os padrões identificados no modelo conceptual são enriquecidos com uma semântica específica, suportada por uma linguagem de domínio especialmente desenvolvida de acordo os requisitos de cada padrão. Estas primitivas lógicas podem ser mais tarde utilizadas para a geração de modelos físicos que podem ser executados utilizando uma ferramenta comercial já existente. Este trabalho apresenta a aplicação dos diversos padrões utilizando para isso um caso de estudo que exemplifica a aplicação de uma abordagem orientada a padrões para o desenvolvimento de sistemas de ETL.
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7

Evermann, Joerg Magnus. "Using design languages for conceptual modelling : the UML case". Thesis, 2003. http://hdl.handle.net/2429/17081.

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Information systems are representations of and situated in the business and organization. In order to develop effective information systems (IS), the first step must be to understand and describe this real world domain. System analysis is this first step, the final result of which is the conceptual model, a formal description of the business and organizational domain. It serves as the communication medium to further common domain understanding. System design, the second step in IS development, builds on this understanding, together with other requirements regarding e.g. functionality, performance, quality, usability, to design the software system. The conceptual model serves as input to this phase. Every model must be expressed in a language. However, there exists no widely accepted language for conceptual modelling of the business or the organization. On the other hand, recent years have seen the emergence and wide acceptance of object-oriented languages in general, and the Unified Modelling Language (UML) specifically, for IS design. This study examines the suitability of using such design languages for conceptual modelling. In order for a language to be usable for modelling business and organizational domains, the language constructs must possess real-world semantics, i.e. it must be clear what they refer to in the real world, not only in the software domain. Based on ontology, the branch of philosophy that deals with what exists in the real world, this study assigns such meaning to UML constructs. Based on these semantics, ontological assumptions are used to derive modelling rules for UML when UML is used for conceptual modelling. These rules are formalized using the UML meta-model. A case study is conducted which applies the proposed rules in a medium size IS development project and notes their beneficial effects on the analysis process and the final conceptual model. An experimental study is conducted to show specific benefits to domain understanding, induced by models which conform to the proposed rules. The chosen method of analysis of languages is applicable not only to UML, chosen as an example here, but is generalizable to other languages as well. The results derived in this study, other than the formalization by means of the specific language meta-model, are therefore generalizable to other object-oriented languages.
Business, Sauder School of
Management Information Systems, Division of
Graduate
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Libros sobre el tema "Conceptual modelling language"

1

Quinn, Mark. Conceptual modelling and investigation into natural language generation in GRAIL. Manchester: University of Manchester, Department of Computer Science, 1996.

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(Editor), M. L. Brodie, J. Mylopoulos (Editor) y J. W. Schmidt (Editor), eds. On Conceptual Modelling: Perspectives from Artificial Intelligence, Databases, and Programming Languages (Topics in Information Systems). Springer, 1986.

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Brodie, Michael L. Data Abstraction, Databases, and Conceptual Modelling: An Annotated Bibliography, Issues 500-559. HardPress, 2020.

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Schewe, Klaus-Dieter, Antje Düsterhöft y Meike Klettke. Conceptual Modelling and Its Theoretical Foundations: Essays Dedicated to Bernhard Thalheim on the Occasion of his 60th Birthday. Springer, 2012.

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Schewe, Klaus-Dieter, Antje Düsterhöft y Meike Klettke. Conceptual Modelling and Its Theoretical Foundations: Essays Dedicated to Bernhard Thalheim on the Occasion of his 60th Birthday. Springer, 2012.

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Capítulos de libros sobre el tema "Conceptual modelling language"

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Flório, Cinthya, Maria Lencastre, João Pimentel y João Araujo. "iStar-p: A Modelling Language for Requirements Prioritization". En Conceptual Modeling, 540–48. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-33223-5_44.

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Plesniewicz, G. S. y T. Mironova. "Concept: a Language for Conceptual Modelling". En Workshops in Computing, 479–96. London: Springer London, 1996. http://dx.doi.org/10.1007/978-1-4471-1486-4_29.

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Schreiber, Guus, Bob Wielinga, Hans Akkermans, Walter Van de Velde y Anjo Anjewierden. "CML: The commonKADS conceptual modelling language". En Lecture Notes in Computer Science, 1–25. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/3-540-58487-0_1.

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Hartmann, Thorsten, Ralf Jungclaus y Gunter Saake. "Animation support for a conceptual modelling language". En Lecture Notes in Computer Science, 56–67. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/3-540-57234-1_5.

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Thalheim, Bernhard. "Syntax, Semantics and Pragmatics of Conceptual Modelling". En Natural Language Processing and Information Systems, 1–10. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-31178-9_1.

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Abdullah, Mohd Syazwan, Ian Benest, Richard Paige y Chris Kimble. "Using Unified Modeling Language for Conceptual Modelling of Knowledge-Based Systems". En Conceptual Modeling - ER 2007, 438–53. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-75563-0_30.

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Meyer, Ralph. "A conceptual modelling approach to the implementation of beliefs and intentions". En Natural Language Processing, 353–80. Amsterdam: John Benjamins Publishing Company, 2000. http://dx.doi.org/10.1075/nlp.1.11mey.

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Casanova, Marco A., Andrea S. Hemerly y Antonio L. Furtado. "A declarative conceptual modelling language: Description and example applications". En Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 589–611. Cham: Springer International Publishing, 1992. http://dx.doi.org/10.1007/bfb0035155.

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Castiello, Maria Elena. "Computational Processing of Language Vagueness for Archaeological Site Modelling". En Discourse and Argumentation in Archaeology: Conceptual and Computational Approaches, 291–315. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-37156-1_13.

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Martínez, Paloma y Ana García-Serrano. "On the Automatization of Database Conceptual Modelling through Linguistic Engineering". En Natural Language Processing and Information Systems, 276–87. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-45399-7_23.

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Actas de conferencias sobre el tema "Conceptual modelling language"

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Yu Han, Shufen Liu, Xiaoyan Wang y Bin Li. "Design of a metamodel-based telecoms modelling language". En Conceptual Design (CAID/CD). IEEE, 2008. http://dx.doi.org/10.1109/caidcd.2008.4730787.

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Gonzalez-Perez, Cesar. "A conceptual modelling language for the humanities and social sciences". En 2012 Sixth International Conference on Research Challenges in Information Science (RCIS). IEEE, 2012. http://dx.doi.org/10.1109/rcis.2012.6240430.

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"Developing a common language for transdisciplinary modelling teams using a generic conceptual framework". En 22nd International Congress on Modelling and Simulation. Modelling and Simulation Society of Australia and New Zealand (MSSANZ), Inc., 2017. http://dx.doi.org/10.36334/modsim.2017.k5.hamilton.

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Zhu, Shan, Shengji Yao y Yong Zeng. "A Novel Approach to Quantifying Designer’s Mental Stress in the Conceptual Design Process". En ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-35887.

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The objective of this paper is to quantify designer’s mental stress during the conceptual design process. Quantifying the designer’s mental stress would assist the effort of understanding the designer’s creative and innovative process. In this paper, Recursive Object Modelling (ROM) is used as a formal tool to represent the designer’s mental state in each step of the conceptual design process. During the conceptual design process, designers usually describe the design states using natural language, combined with sketches. The description based on natural language will be transformed into ROM diagram through the lexical, syntactic, and structure analysis. A cognitive experiment, which is to design a new litter-disposal system in a passenger compartment located in the trains of NS (Dutch Railways), is built to study designer’s thinking process. ROM is used to analyze and quantify the designer’s mental stress based on the protocol data collected in the experiment. The validation through the cognitive experiment shows that ROM is an efficient design evaluation methodology, which reflects the nature and the characteristics of the design process. The designer’s mental stress presents dynamic, nonlinear, and spiral trend.
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Koprda, Stefan, Martin Magdin y Ondrej Kristek. "SIMULATION OF COMBINATIONAL CIRCUITS - MULTIPLEXOR". En eLSE 2013. Carol I National Defence University Publishing House, 2013. http://dx.doi.org/10.12753/2066-026x-13-186.

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In today's world where almost every day there is some form of technological progress, is also increasing the need for experimentation with new knowledge or proposals. Modelling and simulation of systems which operating in the real world, is currently dedicated considerable attention. Reasons to modelling and simulation of the imitation of reality are many. This could be, for example economic factors when the cost of creating the model is much lower than experiments on the entire system. The advantage of the model is also variability in the time, if we can real storyline to follow an accelerated or slow. In all scientific disciplines and industrial spheres represent simulations using simplified conceptual models an important role in achieving progress and new solutions. Simulation of the behaviour of Electrical components, such as example multiplexor allows us to understand its purpose and versatile using in the world of electronics and in processing data signals. The issue of multiplexing is in our country more actual, due to recent transition from analog television broadcasting to digital. More and more we come into contact with concepts such as multiplexing or multiplex. In this article we present a model "Code Lock", which is realized with using multiple multiplexers. After a comprehensive theoretical analysis of the problem which involves creating computer models and simulations, theoretical description of the multiplexer and the categorization of logic circuits followed by a practical section and its results. Demonstration and functional analysis of behaviour is realised in the development environment LabVIEW. LabVIEW is product, which is long-time developed in the field of modelling and simulation, programming in this laboratory virtual environment is realised with using a simple graphical programming language. LabVIEW as a multifunctional tool in the area of modelling and simulation provides ideal conditions for achieving practical goals in this area.
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Sousa, João, Roya Darabi, Ana Reis, Marco Parente, Luís Paulo Reis y Jose Cesar de Sa. "An Adaptive Thermal Finite Element Simulation of Direct Energy Deposition With Reinforcement Learning: A Conceptual Framework". En ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-95055.

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Abstract During the last decades, metal additive manufacturing (AM) technology has transitioned from rapid prototyping application to industrial adoption owing to its flexibility in product design, tooling, and process planning. Thus, understanding the behavior, interaction, and influence of the involved processing parameters on the overall AM production system in order to obtain high-quality parts and stabilized manufacturing process is crucial. Despite many advantages of the AM technologies, difficulties arise due to modelling the complex nature of the process-structure-property relations, which prevents its wide utilization in various industrial sectors. It is known that many of the most important defects in direct energy deposition (DED) are associated with the volume and timescales of the evolving melt pool. Thus, the development of methodologies for monitoring, and controlling the melt pool is critical. In this study, an adaptive numerical transient solution is developed, which is fed from the set of experiments for single-track scanning of super-alloy Inconel 625 on the hot-tempered steel type 42CrMo4. An established exponential formula based on the response surface methodology (RSM) that quantifies the influence of process parameters and geometries of deposited layers from experiments are considered to activate the volume fraction of passive elements in the finite element discretization. By resorting to the FORTRAN language framework capabilities, commercial finite element method software ABAQUS has been steered in order to control unfavorable defects induced by localized rapid heating and cooling, and unstable volume of the melt pool. A thermodynamic consistent phase-field model is coupled with a transient thermal simulation to track the material history. A Lagrangian description for the spatial and time discretization is used. The goal is to present a closed-loop approach to track the melt pool morphology and temperature to a reference deposition volume profile which is established based on deep reinforcement learning (RL) architecture aiming to avoid instabilities, defects and anomalies by controlling the laser power density adaptability. Despite the small number of iterations during RL model training, the agent was able to learn the desired behaviour and two different reward functions were evaluated. This approach allows us to show the possibility of using RL with openAI Gym for process control and its interconnection with ABAQUS framework to train a model first in a simulation environment, and thus take advantage of RL capabilities without creating waste or machine time in real-world.
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List, Beate y Birgit Korherr. "An evaluation of conceptual business process modelling languages". En the 2006 ACM symposium. New York, New York, USA: ACM Press, 2006. http://dx.doi.org/10.1145/1141277.1141633.

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Bogdanova, Daria y Monique Snoeck. "Using MOOC technology and formative assessment in a conceptual modelling course". En MODELS '18: ACM/IEEE 21th International Conference on Model Driven Engineering Languages and Systems. New York, NY, USA: ACM, 2018. http://dx.doi.org/10.1145/3270112.3270120.

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Bogdanova, Daria y Monique Snoeck. "Use of Personalized Feedback Reports in a Blended Conceptual Modelling Course". En 2019 ACM/IEEE 22nd International Conference on Model Driven Engineering Languages and Systems Companion (MODELS-C). IEEE, 2019. http://dx.doi.org/10.1109/models-c.2019.00103.

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Braun, German, Giuliano Marinelli, Emiliano Rios Gavagnin, Laura Cecchi y Pablo Fillottrani. "Web Interoperability for Ontology Development and Support with crowd 2.0". En Thirtieth International Joint Conference on Artificial Intelligence {IJCAI-21}. California: International Joint Conferences on Artificial Intelligence Organization, 2021. http://dx.doi.org/10.24963/ijcai.2021/707.

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In this work, we treat web interoperability in terms of interchanging ontologies (as knowledge models) within user-centred ontology engineering environments, involving visual and serialised representations of ontologies. To do this, we deal with the tool interoperability problem by re-using an enough expressive ontology-driven metamodel, named KF, proposed as a bridge for interchanging both knowledge models. We provide an extensible web framework, named crowd 2.0, unifying the standard conceptual data modelling languages for generating OWL 2 ontologies from semantic visualisations. Visual models are designed as UML, ER or ORM 2 diagrams, represented as KF instances, and finally, formalised as DL-based models. Reasoning results may be newly incorporated into the shared KF instance to be visualised in any of the provided languages.
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