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SIGMOD
2012
ACM
224views Database» more  SIGMOD 2012»
12 years 12 months ago
Tiresias: the database oracle for how-to queries
How-To queries answer fundamental data analysis questions of the form: “How should the input change in order to achieve the desired output”. As a Reverse Data Management probl...
Alexandra Meliou, Dan Suciu
ICDE
2002
IEEE
103views Database» more  ICDE 2002»
15 years 2 months ago
Using Unity to Semi-Automatically Integrate Relational Schema
Unity is an architecture for integrating relational databases that performs three processes: metadata capture, semantic integration, and query formulation and execution. The found...
Ramon Lawrence, Ken Barker
CIKM
2007
Springer
15 years 3 months ago
SLOQUE: slot-based query expansion for complex questions
Searching answers to complex questions is a challenging IR task. In this paper, we examine the use of query templates with semantic slots to formulate slot-based queries. These qu...
Maggy Anastasia Suryanto, Ee-Peng Lim, Aixin Sun, ...
CORR
2011
Springer
197views Education» more  CORR 2011»
14 years 4 months ago
Query Expansion Based on Clustered Results
Query expansion is a functionality of search engines that suggests a set of related queries for a user-issued keyword query. Typical corpus-driven keyword query expansion approach...
Ziyang Liu, Sivaramakrishnan Natarajan, Yi Chen
SIGMOD
1995
ACM
88views Database» more  SIGMOD 1995»
15 years 1 months ago
Semantic Assumptions and Query Evaluation in Temporal Databases
When querying a temporal database, a user often makes certain semantic assumptions on stored temporal data. This paper formalizes and studies two types of semantic assumptions: po...
Claudio Bettini, Xiaoyang Sean Wang, Elisa Bertino...