Abstract

Abstract : This contract concerns the development of semantic web infrastructure and tools through the DARPA Agent Markup Language (DAML) program. (1) Language development. Stein (PI) was original coauthor of the language documents that became the current World Wide Web Consortium (W3C) Recommendation for a semantic web language, OWL. (2) Semantic web services and agents. Olin College worked extensively with members of the DAML-S (web services) team to develop an agent-based understanding of semantic web services. The result, described in joint publications, led to a re-envisioning of web services as active participants in a dynamic environment. (3) Document lifecycle tools. Stein and her group developed a set of semantic web based tools for collaborative document authoring and document lifecycle management. These tools were deployed at Olin College and on the DAML website at daml.org. (4) Semantic web maturity assessment. This group evaluated the suitability of existing DAML and semantic web tools for application construction, including a maturity assessment that fed into the DAML program decision to focus on producing a mature tool suite. (5) Meaning on the semantic web. The semantic web marries knowledge representation to massively distributed infrastructure. This project analyzed the failures of traditional centralized, objectivist approaches to meaning in this context.

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