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» Query by tapping system based on alignment algorithm
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BTW
2007
Springer
154views Database» more  BTW 2007»
15 years 6 months ago
Integrating Query-Feedback Based Statistics into Informix Dynamic Server
: Statistics that accurately describe the distribution of data values in the columns of relational tables are essential for effective query optimization in a database management sy...
Alexander Behm, Volker Markl, Peter J. Haas, Kesha...
WWW
2006
ACM
16 years 14 days ago
Mining search engine query logs for query recommendation
This paper presents a simple and intuitive method for mining search engine query logs to get fast query recommendations on a large scale industrial-strength search engine. In orde...
Zhiyong Zhang, Olfa Nasraoui
WWW
2007
ACM
16 years 14 days ago
Exploit sequencing views in semantic cache to accelerate xpath query evaluation
In XML databases, materializing queries and their results into views in a semantic cache can improve the performance of query evaluation by reducing computational complexity and I...
Jianhua Feng, Na Ta, Yong Zhang, Guoliang Li
SIGMOD
2000
ACM
141views Database» more  SIGMOD 2000»
15 years 4 months ago
Counting, Enumerating, and Sampling of Execution Plans in a Cost-Based Query Optimizer
Testing an SQL database system by running large sets of deterministic or stochastic SQL statements is common practice in commercial database development. However, code defects oft...
Florian Waas, César A. Galindo-Legaria
DGO
2006
112views Education» more  DGO 2006»
15 years 1 months ago
Matching and integration across heterogeneous data sources
A sea of undifferentiated information is forming from the body of data that is collected by people and organizations, across government, for different purposes, at different times...
Patrick Pantel, Andrew Philpot, Eduard H. Hovy