505 search results - page 24 / 101 » Queries with Incomplete Answers over Semistructured Data |
131
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ICDE
2011
IEEE
14 years 1 months ago
2011
IEEE
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
68
Voted
ECAI
1992
Springer
15 years 1 months ago
1992
Springer
We consider non-Horn Deductive Data Bases (DDB) represented in a First Order language without function symbols. In this context the DDB is an incomplete description of the world. ...
109
Voted
CIKM
2010
Springer
14 years 8 months ago
2010
Springer
Recently, several research efforts have addressed answering skyline queries efficiently over large datasets. However, this research lacks methods to compute these queries over un...
HOTOS
2003
IEEE
15 years 2 months ago
2003
IEEE
Data replication is a widely used technique for achieving fault tolerance and improved performance. With the advent of content delivery networks, it is becoming more and more freq...
GIS
2008
ACM
14 years 10 months ago
2008
ACM
In a geographical route search, given search terms, the goal is to find an effective route that (1) starts at a given location, (2) ends at a given location, and (3) travels via...