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EDBT
2012
ACM
11 years 11 months ago
2012
ACM
With the popularization of GPS-enabled devices there is an increasing interest for location-based queries. In this context, one interesting problem is processing top-k spatial key...
SIGMOD
1998
ACM
14 years 1 months ago
1998
ACM
We present a pattern-mining algorithm that scales roughly linearly in the number of maximal patterns embedded in a database irrespective of the length of the longest pattern. In c...
EDBT
2009
ACM
14 years 4 months ago
2009
ACM
In recent years, large amount of data modeled by graphs, namely graph data, have been collected in various domains. Efficiently processing queries on graph databases has attracted...
EUSFLAT
2003
13 years 10 months ago
2003
In this paper, some considerations on extension of the Datalog language are proposed in order to apply this language on a GEFRED fuzzy relational database. For this integration, w...
WWW
2009
ACM
14 years 10 months ago
2009
ACM
To deal with the problem of empty or too little answers returned from a Web database in response to a user query, this paper proposes a novel approach to provide relevant and rank...