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» Extensible Query Processing in Starburst
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PVLDB
2010
85views more  PVLDB 2010»
13 years 9 months ago
Xplus: A SQL-Tuning-Aware Query Optimizer
The need to improve a suboptimal execution plan picked by the query optimizer for a repeatedly run SQL query arises routinely. Complex expressions, skewed or correlated data, and ...
Herodotos Herodotou, Shivnath Babu
SIGMOD
2004
ACM
124views Database» more  SIGMOD 2004»
14 years 4 months ago
An Interactive Clustering-based Approach to Integrating Source Query interfaces on the Deep Web
An increasing number of data sources now become available on the Web, but often their contents are only accessible through query interfaces. For a domain of interest, there often ...
Wensheng Wu, Clement T. Yu, AnHai Doan, Weiyi Meng
CIKM
2006
Springer
14 years 2 months ago
Structure-based querying of proteins using wavelets
The ability to retrieve molecules based on structural similarity has use in many applications, from disease diagnosis and treatment to drug discovery and design. In this paper, we...
Keith Marsolo, Srinivasan Parthasarathy, Kotagiri ...
SIGMOD
2008
ACM
188views Database» more  SIGMOD 2008»
14 years 11 months ago
Just-in-time query retrieval over partially indexed data on structured P2P overlays
Structured peer-to-peer (P2P) overlays have been successfully employed in many applications to locate content. However, they have been less effective in handling massive amounts o...
Sai Wu, Jianzhong Li, Beng Chin Ooi, Kian-Lee Tan
SSD
2007
Springer
243views Database» more  SSD 2007»
14 years 5 months ago
Continuous Medoid Queries over Moving Objects
In the k-medoid problem, given a dataset P, we are asked to choose k points in P as the medoids. The optimal medoid set minimizes the average Euclidean distance between the points ...
Stavros Papadopoulos, Dimitris Sacharidis, Kyriako...