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» On the Computation of Approximations of Database Queries
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ICDT
2007
ACM
126views Database» more  ICDT 2007»
16 years 26 days ago
Combining Incompleteness and Ranking in Tree Queries
Abstract. In many cases, users may want to consider incomplete answers to their queries. Often, however, there is an overwhelming number of such answers, even if subsumed answers a...
Benny Kimelfeld, Yehoshua Sagiv
DOLAP
2004
ACM
16 years 4 days ago
Aggregate queries in peer-to-peer OLAP
A peer-to-peer (P2P) data management system consists essentially of a network of peer systems, each maintaining full autonomy over its own data resources. Data exchange between pe...
Mauricio Minuto Espil, Alejandro A. Vaisman
176
Voted
CIKM
2007
Springer
16 years 26 days ago
Ix-cubes: iceberg cubes for data warehousing and olap on xml data
With increasing amount of data being stored in XML format, OLAP queries over these data become important. OLAP queries have been well studied in the relational database systems. H...
Fianny Ming-fei Jiang, Jian Pei, Ada Wai-Chee Fu
155
Voted
EDBT
2006
ACM
120views Database» more  EDBT 2006»
16 years 6 months ago
Query Planning in the Presence of Overlapping Sources
Navigational queries on Web-accessible life science sources pose unique query optimization challenges. The objects in these sources are interconnected to objects in other sources, ...
Jens Bleiholder, Samir Khuller, Felix Naumann, Lou...
DEXA
2003
Springer
106views Database» more  DEXA 2003»
15 years 12 months ago
Location Query Based on Moving Behaviors
The importance of location prediction is rapidly increasing with the current trend of database applications in mobile computing environment. However, current personal communicatio...
Ming-Hui Jin, Eric Hsiao-Kuang Wu, Jorng-Tzong Hor...