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» Query Optimization by Stored Queries
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SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
15 years 12 months ago
RankSQL: Query Algebra and Optimization for Relational Top-k Queries
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas...
INTERACT
2007
15 years 1 months ago
S3: Storable, Shareable Search
We present S3 , a system that implicitly captures the process and products of Web investigations (exploratory searches involving multiple queries). This automatically-created, pers...
Meredith Ringel Morris, Eric Horvitz
DEXAW
2004
IEEE
181views Database» more  DEXAW 2004»
15 years 3 months ago
Algebraic Optimization of Data Delivery Patterns in Mobile Sensor Networks
Database-like query processing over a network of sensors has become an attractive paradigm for building sensor applications. A sensor query is characterized by data streams among ...
Vladimir Zadorozhny, Panos K. Chrysanthis, Alexand...
ICDE
2006
IEEE
128views Database» more  ICDE 2006»
16 years 1 months ago
Partial Selection Query in Peer-to-Peer Databases
In this paper, we propose DBSampler, a query execution mechanism to answer "partial selection" queries in peerto-peer databases. A partial selection query is an arbitrar...
Farnoush Banaei Kashani, Cyrus Shahabi
ICDE
2007
IEEE
120views Database» more  ICDE 2007»
15 years 6 months ago
Support Concurrent Queries in Multiuser CBIR Systems
Various techniques have been developed for different query types in content-based image retrieval (CBIR) systems such as sampling queries, constrained sampling queries, multiple c...
Danzhou Liu, Kien A. Hua