Paper Info
Title
UQBE: uncertain query by example for web service mashup
Abstract
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 automated schema matching with uncertainty, the UQBE system returns the best confident results. The system lets the user refine them interactively. A tuple in the query result is associated with lineage that is a boolean formula over schema matching decisions representing underlying conditions on which the corresponding tuple is included in the result. Given binary feedbacks on tuples by the user, which are possibly imprecise, the system solves it as an optimization problem to refine confidence values of matching decisions. The demo features graphical user interaction on the UQBE system, including querying and refinement.
Year
DOI
Venue
2008
10.1145/1376616.1376754
SIGMOD Conference
Keywords
Field
DocType
web service,human factors,data integrity,data integration,query by example,management system
Data integration,Data mining,Mashup,Star schema,Computer science,Tuple,Query by Example,Schema matching,Web service,Schema (psychology),Database
Conference
Citations 
PageRank 
References 
13
0.80
7
Authors
6
Name
Order
Citations
PageRank
Junichi Tatemura165543.48
Songting Chen239819.91
Fenglin Liao3251.56
Oliver Po420414.29
K. Selçuk Candan52218307.06
Divyakant Agrawal682011674.75