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» Applying Multiple Query Optimization in Mobile Databases
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109
Voted
EDBT
2006
ACM
120views Database» more  EDBT 2006»
16 years 2 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...
210
Voted
ICDE
2000
IEEE
120views Database» more  ICDE 2000»
16 years 3 months ago
Deflating the Dimensionality Curse Using Multiple Fractal Dimensions
Nearest neighbor queries are important in many settings, including spatial databases (Find the k closest cities) and multimedia databases (Find the k most similar images). Previou...
Bernd-Uwe Pagel, Flip Korn, Christos Faloutsos
203
Voted
SIGMOD
2006
ACM
110views Database» more  SIGMOD 2006»
16 years 2 months ago
Supporting ad-hoc ranking aggregates
This paper presents a principled framework for efficient processing of ad-hoc top-k (ranking) aggregate queries, which provide the k groups with the highest aggregates as results....
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas
211
Voted
SIGMOD
2006
ACM
127views Database» more  SIGMOD 2006»
16 years 2 months ago
Query evaluation using overlapping views: completeness and efficiency
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
Gang Gou, Maxim Kormilitsin, Rada Chirkova
132
Voted
SSDBM
2003
IEEE
164views Database» more  SSDBM 2003»
15 years 7 months ago
Approximate String Joins
String data is ubiquitous, and its management has taken on particular importance in the past few years. Approximate queries are very important on string data especially for more c...
Divesh Srivastava