736 search results - page 64 / 148 » Answering Imprecise Queries over Web Databases |
ICDT
2010
ACM
13 years 11 months ago
2010
ACM
When a query is evaluated under bag semantics, each answer is returned as many times as it has derivations. Bag semantics has long been recognized as important, especially when ag...
SIGMOD
2005
ACM
14 years 9 months ago
2005
ACM
Keyword search is a proven, user-friendly way to query HTML documents in the World Wide Web. We propose keyword search in XML documents, modeled as labeled trees, and describe cor...
AAAI
2007
13 years 11 months ago
2007
RDF (“Resource Description Framework”) is now a widely used World Wide Web Consortium standard. However, methods to index large volumes of RDF data are still in their infancy....
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
Adaptivity is a challenging open issue in data stream management. In this paper, we tackle the problem of memory adaptivity inside a system executing temporal sliding window queri...
CIKM
2009
Springer
14 years 9 days ago
2009
Springer
Keyword search techniques that take advantage of XML structure make it very easy for ordinary users to query XML databases, but current approaches to processing these queries rely...