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IEEE Transactions on Knowledge and Data Engineering

Issue 2 • Feb. 2007

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Displaying Results 1 - 22 of 22
  • [Front cover]

    Publication Year: 2007, Page(s): c1
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  • [Inside front cover]

    Publication Year: 2007, Page(s): c2
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  • Editorial: Revisiting the (Machine) Semantic Web: The Missing Layers for the Human Semantic Web

    Publication Year: 2007, Page(s):145 - 148
    Cited by:  Papers (25)
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  • Bottom-Up Extraction and Trust-Based Refinement of Ontology Metadata

    Publication Year: 2007, Page(s):149 - 163
    Cited by:  Papers (11)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2349 KB) | HTML iconHTML

    We present a way of building ontologies that proceeds in a bottom-up fashion, defining concepts as clusters of concrete XML objects. Our rough bottom-up ontologies are based on simple relations like association and inheritance, as well as on value restrictions, and can be used to enrich and update existing upper ontologies. Then, we show how automatically generated assertions based on our bottom-u... View full abstract»

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  • Mining Generalized Associations of Semantic Relations from Textual Web Content

    Publication Year: 2007, Page(s):164 - 179
    Cited by:  Papers (24)  |  Patents (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3007 KB) | HTML iconHTML

    Traditional text mining techniques transform free text into flat bags of words representation, which does not preserve sufficient semantics for the purpose of knowledge discovery. In this paper, we present a two-step procedure to mine generalized associations of semantic relations conveyed by the textual content of Web documents. First, RDF (resource description framework) metadata representing se... View full abstract»

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  • A Taxonomy Learning Method and Its Application to Characterize a Scientific Web Community

    Publication Year: 2007, Page(s):180 - 191
    Cited by:  Papers (24)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2594 KB) | HTML iconHTML

    The need to extract and manage domain-specific taxonomies has become increasingly relevant in recent years. A taxonomy is a form of business intelligence used to integrate information, reduce semantic heterogeneity, describe emergent communities and interest groups, and facilitate communication between information systems. We present a semiautomated strategy to extract domain-specific taxonomies f... View full abstract»

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  • RDFS(FA): Connecting RDF(S) and OWL DL

    Publication Year: 2007, Page(s):192 - 206
    Cited by:  Papers (16)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2074 KB) | HTML iconHTML

    Semantic Web (SW) languages are supposed to be compatible with each other in a meaningful way, so as to facilitate machine understanding. Recent research, however, shows that the semantics of the standard SW annotation language RDF (as well as its ontological extension RDFS) and that of the standard SW ontology language OWL DL are not compatible with each other. This paper investigates some issues... View full abstract»

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  • Introducing Time into RDF

    Publication Year: 2007, Page(s):207 - 218
    Cited by:  Papers (57)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1296 KB) | HTML iconHTML

    The resource description framework (RDF) is a metadata model and language recommended by the W3C. This paper presents a framework to incorporate temporal reasoning into RDF, yielding temporal RDF graphs. We present a semantics for these kinds of graphs which includes the notion of temporal entailment and a syntax to incorporate this framework into standard RDF graphs, using the RDF vocabulary plus... View full abstract»

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  • Interoperability Support between MPEG-7/21 and OWL in DS-MIRF

    Publication Year: 2007, Page(s):219 - 232
    Cited by:  Papers (20)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3121 KB) | HTML iconHTML

    In this paper, we focus on interoperable semantic multimedia services that are offered in open environments such as the Internet. The use of well-accepted standards is of paramount importance for interoperability support in open environments. In addition, the semantic description of multimedia content utilizing domain ontologies is very useful for indexing, query specification, retrieval, filterin... View full abstract»

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  • DR-Prolog: A System for Defeasible Reasoning with Rules and Ontologies on the Semantic Web

    Publication Year: 2007, Page(s):233 - 245
    Cited by:  Papers (35)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2912 KB) | HTML iconHTML

    Nonmonotonic rule systems are expected to play an important role in the layered development of the semantic Web. Defeasible reasoning is a direction in nonmonotonic reasoning that is based on the use of rules that may be defeated by other rules. It is a simple, but often more efficient approach than other nonmonotonic rule systems for reasoning with incomplete and inconsistent information. This pa... View full abstract»

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  • A Flexible Ontology Reasoning Architecture for the Semantic Web

    Publication Year: 2007, Page(s):246 - 260
    Cited by:  Papers (26)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2817 KB) | HTML iconHTML

    Knowledge-based systems in the semantic Web era can make use of the power of the semantic Web languages and technologies, in particular those related to ontologies. Recent research has shown that user-defined data types are very useful for semantic Web and ontology applications. The W3C semantic Web best practices and development working group has set up a task force to address this issue. Very re... View full abstract»

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  • An Adaptation of the Vector-Space Model for Ontology-Based Information Retrieval

    Publication Year: 2007, Page(s):261 - 272
    Cited by:  Papers (130)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1061 KB) | HTML iconHTML

    Semantic search has been one of the motivations of the semantic Web since it was envisioned. We propose a model for the exploitation of ontology-based knowledge bases to improve search over large document repositories. In our view of information retrieval on the semantic Web, a search engine returns documents rather than, or in addition to, exact values in response to user queries. For this purpos... View full abstract»

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  • A Relation-Based Search Engine in Semantic Web

    Publication Year: 2007, Page(s):273 - 282
    Cited by:  Papers (33)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2566 KB) | HTML iconHTML

    With the development of the Web, an information "Big Bang" has taken place on the Internet. Search engines have become one of the most helpful tools for obtaining useful information from the Internet. However, instead of caring about the semantics of information, the machine on the current Web cares about the location and display of information only. Because of this shortcoming of the current Web,... View full abstract»

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  • A Semantic Web-Based Approach to Knowledge Management for Grid Applications

    Publication Year: 2007, Page(s):283 - 296
    Cited by:  Papers (19)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2567 KB) | HTML iconHTML

    Knowledge has become increasingly important to support intelligent process automation and collaborative problem solving in large-scale science over the Internet. This paper addresses distributed knowledge management, its approach and methodology, in the context of grid application. We start by analyzing the nature of grid computing and its requirements for knowledge support; then, we discuss knowl... View full abstract»

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  • A Requirements Driven Framework for Benchmarking Semantic Web Knowledge Base Systems

    Publication Year: 2007, Page(s):297 - 309
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3315 KB) | HTML iconHTML

    A key challenge for the semantic Web is to acquire the capability to effectively query large knowledge bases. As there will be several competing systems, we need benchmarks that will objectively evaluate these systems. Development of effective benchmarks in an emerging domain is a challenging endeavor. In this paper, we propose a requirements driven framework for developing benchmarks for semantic... View full abstract»

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  • From Wrapping to Knowledge

    Publication Year: 2007, Page(s):310 - 323
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4352 KB) | HTML iconHTML

    One the most challenging problems for enterprise information integration is to deal with heterogeneous information sources on the Web. The reason is that they usually provide information that is in human-readable form only, which makes it difficult for a software agent to understand it. Current solutions build on the idea of annotating the information with semantics. If the information is unstruct... View full abstract»

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  • A Component Model and Infrastructure for a Fluid Web

    Publication Year: 2007, Page(s):324 - 341
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4902 KB) | HTML iconHTML

    The Web is evolving from a space for publication/consumption of documents to an environment for collaborative work, where digital content can travel and be replicated, adapted, decomposed, fusioned, and transformed. We call this the fluid Web perspective. This view requires a thorough revision of the typical document-oriented approach that permeates content management on the Web. This paper presen... View full abstract»

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  • In this issue

    Publication Year: 2007, Page(s): 342
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  • IEEE Computer Society Digital Library [advertisement]

    Publication Year: 2007, Page(s): 343
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  • Join the IEEE Computer Society!

    Publication Year: 2007, Page(s): 344
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  • TKDE Information for authors

    Publication Year: 2007, Page(s): c3
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  • [Back cover]

    Publication Year: 2007, Page(s): c4
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Aims & Scope

IEEE Transactions on Knowledge and Data Engineering (TKDE) informs researchers, developers, managers, strategic planners, users, and others interested in state-of-the-art and state-of-the-practice activities in the knowledge and data engineering area.

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Meet Our Editors

Editor-in-Chief
Xuemin Lin
University of New South Wales

Associate Editor-in-Chief
Lei Chen
Hong Kong University of Science and Technology