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SIGMOD
2007
ACM
225views Database» more  SIGMOD 2007»
15 years 9 months ago
From complete to incomplete information and back
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
Lyublena Antova, Christoph Koch, Dan Olteanu
SIGMOD
2009
ACM
175views Database» more  SIGMOD 2009»
15 years 9 months ago
Keyword search on structured and semi-structured data
Empowering users to access databases using simple keywords can relieve the users from the steep learning curve of mastering a structured query language and understanding complex a...
Yi Chen, Wei Wang 0011, Ziyang Liu, Xuemin Lin
WSDM
2009
ACM
104views Data Mining» more  WSDM 2009»
15 years 4 months ago
Top-k aggregation using intersections of ranked inputs
There has been considerable past work on efficiently computing top k objects by aggregating information from multiple ranked lists of these objects. An important instance of this...
Ravi Kumar, Kunal Punera, Torsten Suel, Sergei Vas...
SIGMOD
2008
ACM
122views Database» more  SIGMOD 2008»
14 years 9 months ago
UQBE: uncertain query by example for web service mashup
The UQBE is a mashup tool for non-programmers that supports query-by-example (QBE) over a schema made up by the user without knowing the schema of the original sources. Based on a...
Jun'ichi Tatemura, Songting Chen, Fenglin Liao, Ol...
DASFAA
2009
IEEE
134views Database» more  DASFAA 2009»
15 years 4 months ago
Selectivity Estimation for Exclusive Query Translation in Deep Web Data Integration
In Deep Web data integration, some Web database interfaces express exclusive predicates of the form Qe = Pi(Pi ∈ P1, P2, . . . , Pm), which permits only one predicate to be selec...
Fangjiao Jiang, Weiyi Meng, Xiaofeng Meng