486 search results - page 59 / 98 » Evaluating Top-k Queries over Web-Accessible Databases |
WEBDB
2010
Springer
15 years 6 months ago
2010
Springer
Wikipedia has become an important source of information which is growing very rapidly. However, the existing infrastructure for querying this information is limited and often igno...
111
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SIGMOD
2001
ACM
16 years 1 months ago
2001
ACM
Users often need to optimize the selection of objects by appropriately weighting the importance of multiple object attributes. Such optimization problems appear often in operation...
120
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EDBT
2009
ACM
15 years 8 months ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
212
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SIGMOD
2009
ACM
16 years 1 months ago
2009
ACM
Keyword search in relational databases (RDBs) has been extensively studied recently. A keyword search (or a keyword query) in RDBs is specified by a set of keywords to explore the...
110
Voted
VLDB
2007
ACM
15 years 7 months ago
2007
ACM
The general problem of answering top-k queries can be modeled using lists of data items sorted by their local scores. The most efficient algorithm proposed so far for answering to...