951 search results - page 136 / 191 » Groupwise Processing of Relational Queries |
131
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IDEAS
2000
IEEE
15 years 8 months ago
2000
IEEE
Most operations of the relational algebra or SQL - like projection with duplicate elimination, join, ordering, group by and aggregations - are efficiently processed using a sorted...
159
Voted
CIKM
1994
Springer
15 years 8 months ago
1994
Springer
TID hash joins are a simple and memory-efficient method for processing large join queries. They are based on standard hash join algorithms but only store TID/key pairs in the hash...
141
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TCSV
2008
15 years 3 months ago
2008
Video fingerprints are feature vectors that uniquely characterize one video clip from another. The goal of video fingerprinting is to identify a given video query in a database (DB...
127
Voted
EDBT
2010
ACM
15 years 10 months ago
2010
ACM
Implementations of map-reduce are being used to perform many operations on very large data. We examine strategies for joining several relations in the map-reduce environment. Our ...
224
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VLDB
2004
ACM
16 years 4 months ago
2004
ACM
In many applications involving continuous data streams, data arrival is bursty and data rate fluctuates over time. Systems that seek to give rapid or realtime query responses in su...