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EDBT
2012
ACM
315views Database» more  EDBT 2012»
6 years 9 months ago
Sieve: linked data quality assessment and fusion
The Web of Linked Data grows rapidly and already contains data originating from hundreds of data sources. The quality of data from those sources is very diverse, as values may be ...
Pablo N. Mendes, Hannes Mühleisen, Christian ...
SIGMOD
2012
ACM
190views Database» more  SIGMOD 2012»
6 years 9 months ago
Sample-driven schema mapping
End-users increasingly find the need to perform light-weight, customized schema mapping. State-of-the-art tools provide powerful functions to generate schema mappings, but they u...
Li Qian, Michael J. Cafarella, H. V. Jagadish
SIGMOD
2011
ACM
198views Database» more  SIGMOD 2011»
7 years 10 months ago
U-MAP: a system for usage-based schema matching and mapping
This demo shows how usage information buried in query logs can play a central role in data integration and data exchange. More specifically, our system U-Map uses query logs to g...
Hazem Elmeleegy, Jaewoo Lee, El Kindi Rezig, Moura...
SIGMOD
2011
ACM
169views Database» more  SIGMOD 2011»
7 years 10 months ago
Leveraging query logs for schema mapping generation in U-MAP
In this paper, we introduce U-MAP, a new system for schema mapping generation. U-MAP builds upon and extends existing schema mapping techniques. However, it mitigates some key pro...
Hazem Elmeleegy, Ahmed K. Elmagarmid, Jaewoo Lee
PODS
2011
ACM
201views Database» more  PODS 2011»
7 years 10 months ago
Data exchange beyond complete data
In the traditional data exchange setting, source instances are restricted to be complete in the sense that every fact is either true or false in these instances. Although natural ...
Marcelo Arenas, Jorge Pérez, Juan L. Reutte...
JACM
2010
120views more  JACM 2010»
8 years 2 months ago
The structure of inverses in schema mappings
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Ronald Fagin, Alan Nash
CORR
2010
Springer
181views Education» more  CORR 2010»
8 years 5 months ago
Mapping XML Data to Relational Data: A DOM-Based Approach
XML has emerged as the standard for representing and exchanging data on the World Wide Web. It is critical to have efficient mechanisms to store and query XML data to exploit the...
Mustafa Atay, Yezhou Sun, Dapeng Liu, Shiyong Lu, ...
IS
2006
8 years 7 months ago
A composite approach to automating direct and indirect schema mappings
Automating schema mapping is challenging. Previous approaches to automating schema mapping focus mainly on computing direct matches between two schemas. Schemas, however, rarely m...
Li Xu, David W. Embley
ISTA
2004
8 years 8 months ago
A Data Transformation Method Based on Schema Mapping
: Schema mapping is an important approach to solve the problem of data integration. This paper introduces a research prototype called SDE, which is a system for managing and facili...
You Li, Dongbo Liu, Weiming Zhang
DLOG
2007
8 years 9 months ago
Retrospective on Clio: Schema Mapping and Data Exchange in Practice
Clio is a joint research project between the University of Toronto and IBM Almaden Research Center started in 1999 to address both foundational and systems issues related to the ma...
Renée J. Miller
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