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» Automated Ranking of Database Query Results
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SIGMOD
2007
ACM
111views Database» more  SIGMOD 2007»
14 years 9 months ago
Query relaxation using malleable schemas
In contrast to classical databases and IR systems, real-world information systems have to deal increasingly with very vague and diverse structures for information management and s...
Xuan Zhou, Julien Gaugaz, Wolf-Tilo Balke, Wolfgan...
GIS
2008
ACM
13 years 10 months ago
Heuristic algorithms for route-search queries over geographical data
In a geographical route search, given search terms, the goal is to find an effective route that (1) starts at a given location, (2) ends at a given location, and (3) travels via...
Yaron Kanza, Eliyahu Safra, Yehoshua Sagiv, Yerach...
SIGMOD
2010
ACM
153views Database» more  SIGMOD 2010»
14 years 1 months ago
Threshold query optimization for uncertain data
The probabilistic threshold query (PTQ) is one of the most common queries in uncertain databases, where all results satisfying the query with probabilities that meet the threshold...
Yinian Qi, Rohit Jain, Sarvjeet Singh, Sunil Prabh...
SIGMOD
2009
ACM
165views Database» more  SIGMOD 2009»
14 years 1 months ago
Query by output
It has recently been asserted that the usability of a database is as important as its capability. Understanding the database schema, the hidden relationships among attributes in t...
Quoc Trung Tran, Chee-Yong Chan, Srinivasan Partha...
VLDB
2007
ACM
137views Database» more  VLDB 2007»
14 years 3 months ago
Detecting Attribute Dependencies from Query Feedback
Real-world datasets exhibit a complex dependency structure among the data attributes. Learning this structure is a key task in automatic statistics configuration for query optimi...
Peter J. Haas, Fabian Hueske, Volker Markl