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PR
2002
140views more  PR 2002»
15 years 1 months ago
Negotiating the semantic gap: from feature maps to semantic landscapes
In this paper, we present the results of a project that seeks to transform low-level features to a higher level of meaning. This project concerns a technique, latent semantic inde...
Rong Zhao, William I. Grosky
103
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SEMWEB
2004
Springer
15 years 7 months ago
An Initial Investigation into Querying an Untrustworthy and Inconsistent Web
The Semantic Web is bound to be untrustworthy and inconsistent. In this paper, we present an initial approach for obtaining useful information in such an environment. In particular...
Yuanbo Guo, Jeff Heflin
AWIC
2005
Springer
15 years 7 months ago
Conceptual Query Expansion
Query expansion has been extensively studied as a technique for increasing information retrieval performance. However, due to the volume of documents available on the web, many of ...
Orland Hoeber, Xue Dong Yang, Yiyu Yao
PADL
2009
Springer
16 years 2 months ago
Layered Models Top-Down Querying of Normal Logic Programs
Abstract. For practical applications, the use of top-down query-driven proofprocedures is essential for an efficient use and computation of answers using Logic Programs as knowledg...
Alexandre Miguel Pinto, Luís Moniz Pereira
SDB
1995
178views Database» more  SDB 1995»
15 years 5 months ago
A Semantics-based Approach to Design of Query Languages for Partial Information
Most of work on partial information in databases asks which operations of standard languages, like relational algebra, can still be performed correctly in the presence of nulls. In...
Leonid Libkin