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ESWS
2009
Springer
15 years 11 months ago
Effects of Using a Research Context Ontology for Query Expansion
This thesis investigates the question whether and how ontologies such as the ones currently evolving in the Semantic Web can serve as knowledge structures for the generation of que...
Carola Carstens
FQAS
2009
Springer
127views Database» more  FQAS 2009»
15 years 11 months ago
Finding Top-k Approximate Answers to Path Queries
We consider the problem of finding and ranking paths in semistructured data without necessarily knowing its full structure. The query language we adopt comprises conjunctions of r...
Carlos A. Hurtado, Alexandra Poulovassilis, Peter ...
W3C
1998
15 years 6 months ago
Query Languages Workshop Position Paper
This paper discusses the use of XML in conjunction with a variety of repositories and database systems, and outlines some of the requirements for an effective query language. Many...
Noah Mendelsohn
STACS
2010
Springer
15 years 11 months ago
Efficient and Error-Correcting Data Structures for Membership and Polynomial Evaluation
We construct efficient data structures that are resilient against a constant fraction of adversarial noise. Our model requires that the decoder answers most queries correctly with...
Victor Chen, Elena Grigorescu, Ronald de Wolf
DKE
2006
78views more  DKE 2006»
15 years 4 months ago
Indexing XML documents for XPath query processing in external memory
Existing encoding schemes and index structures proposed for XML query processing primarily target the containment relationship, specifically the parent
Qun Chen, Andrew Lim, Kian Win Ong, Jiqing Tang