Showing result 1 5 of 323 swedish dissertations containing the words semantic thesis. How are antonym relations acquired? what types of lexical information can be extracted from corpora and how? how can this information be encoded in a lexicon? the work in this book was developed within the framework of wordnet. A further elaborated lexical model is suggested, as well as methods for implementing it. Read more university dissertation from chalmers university of technology baa 00 07 program title: daml proposal title: semantic web development prime offeror: massachusetts institute of technology laboratory for computer science and world wide web consortium principal investigator: tim berners lee, mit w3c lt [email protected] > co principal investigators: david r. Weitzner lt [email protected] > sub contractors: two to three individuals acting as mit staff.

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Swick, lt [email protected] > administrative contact: paul powell, lt [email protected] > type of business: educational duration of effort: 4.25 years when the world wide web was proposed a decade ago it was envisioned not only as a medium for human communication but also one of machine communication. The second half of that hope is as yet unrealized, with the frustrating result that vast amounts of data available to the human enquirer cannot practically be analysed and combined by machine. At the outset of the web, the field of hypertext was one which had shown much initial promise but little wide scale deployment. In the meantime, much work in knowledge representation kr in ontology, interchange languages, and agent infrastructure has demonstrated the viability of kr as a basis for agent interaction while simultaneously highlighting the importance of support for heterogeneity and decentralization. At present, the field of knowledge representation has shown much initial promise but little truly widespread deployment. The semantic web concept is to do for data what html did for textual information systems: to provide sufficient flexibility to be able to represent all databases, and logic rules to link them together to great added value. The first steps in this direction were taken by the world wide web consortium w3c in defining resource description framework rdf lassila et al.

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19 , a simple language for expressing relationships in triples where any of the triple can be a first class web object. The proposed project is to utilize and demonstrate the great power of adding, on top of the rdf model modified as necessary the power of kr systems. We refer to this augmented language as the semantic web logic language, or swell.

We propose to build on the darpa agent markup language daml infrastructure to provide precisely such an interchange between two or more rather different kinds of applications. The first of these involves structured information manipulations required to maintain the ongoing activities of an organization such as the w3c, including access control, collaborative development, and meeting management. In the second, we will address the informal and often heuristic processes involved in document management in a personalized information environment. Integrated into both environments will be tools to enable authors to control terms under which personal or sensitive information is used by others, a critical feature to encourage sharing of semantic content. Optionally, we will also explore applications to spoken language interfaced discourse systems, automation and automated application construction, and intentional naming of networked resources by function rather than by a fixed naming scheme.

By using the uniform structure of the semantic web in each of these applications, we will demonstrate the ability of this technology to build bridges between heterogeneous components and to provide next generation information interchange. The internet being a medium whose level of inherent security is very low, it is expected that digital signature technology will be essential in verifying the steps involved in most discussions. Indeed, the fundamental rules controlling input to a system will not simply be logic, but will combine semantics with the security of digital signature. We expect to incorporate digital signature in a way consistent with industry work on digital signature for extensible markup language xml eastlake. The project will involve the creation of interoperating systems to prototype the semantic web ideas. These will necessarily include simple tools for authoring, browsing, and manipulating the language underlying these applications, as well as the systems themselves.

The work will be deployed along three axes: by adoption by w3c staff internally and by partners such as lcs oxygen and other daml participants by dissemination through and codevelopment with the open source community, and when appropriate, by facilitation of consensus around interoperable standards for the semantic web using the w3c proces. This project is a key move in the transition to a semantic web software and information environment, in which complex applications can interoperate by exchanging information with a basis in high level logic and well defined meaning. The project is constructed from software modules which, while performing quite dissimilar functions, exchange information using the languages of the semantic web, including the darpa agent markup language daml. If successful, it will also provide a model to lead both military and commercial development in the future, generating a critical mass of existing systems on the semantic web to trigger wide growth of the technology. We are particularly concerned with information management and information flow on the semantic web. Two contrasting subsystems are proposed as the essential basis of our development, with a number of optional projects.

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One system is an organizational management system which implements the social and managerial processes the social machines of an organization, the world wide wide consortium w3c. This system uses well defined logical algorithms to implement such things as resource management meeting planning, calendars, etc. , secure web site access control, and tools to enable individuals to control use of personal information contributed to the semantic web. The w3c's live early adoption and demonstration policy of using its own technology makes it a particularly appropriate testbed.