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» Query Optimization by Stored Queries
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CIKM
2010
Springer
15 years 2 months ago
Improving verbose queries using subset distribution
Dealing with verbose (or long) queries poses a new challenge for information retrieval. Selecting a subset of the original query (a "sub-query") has been shown to be an ...
Xiaobing Xue, Samuel Huston, W. Bruce Croft
154
Voted
ICDE
2012
IEEE
232views Database» more  ICDE 2012»
13 years 7 months ago
Horton: Online Query Execution Engine for Large Distributed Graphs
—Large graphs are used in many applications, such as social networking. The management of these graphs poses new challenges because such graphs are too large to fit on a single ...
Mohamed Sarwat, Sameh Elnikety, Yuxiong He, Gabrie...
ICDE
2007
IEEE
110views Database» more  ICDE 2007»
16 years 6 months ago
Semantic Prefetching of Correlated Query Sequences
We present a system that optimizes sequences of related client requests by combining small requests into larger ones, thus reducing per-request overhead. The system predicts upcom...
Ivan T. Bowman, Kenneth Salem
GEOINFO
2007
15 years 6 months ago
Trajectory Data Warehouses: Proposal of Design and Application to Exploit Data
In this paper we are interested in storing and perform OLAP queries about various aggregate trajectory properties. We consider a data stream environment where a set of mobile objec...
Fernando J. Braz
SIGMOD
2005
ACM
138views Database» more  SIGMOD 2005»
16 years 4 months ago
QPipe: A Simultaneously Pipelined Relational Query Engine
Relational DBMS typically execute concurrent queries independently by invoking a set of operator instances for each query. To exploit common data retrievals and computation in con...
Stavros Harizopoulos, Vladislav Shkapenyuk, Anasta...