1469 search results - page 264 / 294 » Query Expansion and Query Reduction in Document Retrieval |
DKE
1998
13 years 8 months ago
1998
Disk I/O is a major bottleneck for query processing in database applications. This bottleneck is especially a problem for temporal databases because of their large size. Reduction...
VLDB
1998
ACM
14 years 1 months ago
1998
ACM
Text data in the Internet can be partitioned into many databases naturally. Efficient retrieval of desired data can be achieved if we can accurately predict the usefulness of each...
EDBT
2006
ACM
14 years 9 months ago
2006
ACM
This paper describes the design and implementation of an XML storage manager for fast and interactive XPath expressions evaluation. This storage manager has two main parts: the XML...
MMM
2009
Springer
14 years 5 months ago
2009
Springer
Low level features of multimedia content often have limited power to discriminate a document’s relevance to a query. This motivated researchers to investigate other types of feat...
IAT
2008
IEEE
14 years 3 months ago
2008
IEEE
Many real–world information needs are naturally formulated as queries with temporal constraints. However, the structured temporal background information needed to support such c...