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» Query Optimization In Compressed Database Systems
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SIGMOD
2007
ACM
146views Database» more  SIGMOD 2007»
14 years 9 months ago
Distributed query evaluation with performance guarantees
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...
Gao Cong, Wenfei Fan, Anastasios Kementsietsidis
SIGMOD
1996
ACM
132views Database» more  SIGMOD 1996»
14 years 1 months ago
Cost-Based Optimization for Magic: Algebra and Implementation
Magic sets rewriting is a well-known optimization heuristic for complex decision-support queries. There can be many variants of this rewriting even for a single query, which diffe...
Praveen Seshadri, Joseph M. Hellerstein, Hamid Pir...
CIKM
2009
Springer
14 years 3 months ago
Workload-aware trie indices for XML
Well-designed indices can dramatically improve query performance. Including query workload information can produce indices that yield better overall throughput while balancing the...
Yuqing Wu, Sofia Brenes, Hyungdae Yi
SSDBM
1999
IEEE
113views Database» more  SSDBM 1999»
14 years 1 months ago
Multidimensional Indexing and Query Coordination for Tertiary Storage Management
In many scientific domains, experimental devices or simulation programs generate large volumes of data. The volumes of data may reach hundreds of terabytes and therefore it is imp...
Arie Shoshani, Luis M. Bernardo, Henrik Nordberg, ...
ICDE
2010
IEEE
189views Database» more  ICDE 2010»
13 years 9 months ago
Caching all plans with just one optimizer call
Abstract— Modern database management systems (DBMS) answer a multitude of complex queries on increasingly larger datasets. Given the complexities of the queries and the numerous ...
Debabrata Dash, Ioannis Alagiannis, Cristina Maier...