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SIGMOD
2011
ACM
198views Database» more  SIGMOD 2011»
12 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...
DKE
2008
172views more  DKE 2008»
13 years 7 months ago
An XML Schema integration and query mechanism system
The availability of large amounts of heterogeneous distributed web data necessitates the integration of XML data from multiple XML sources for many reasons. For example, currently,...
Sanjay Kumar Madria, Kalpdrum Passi, Sourav S. Bho...
DASFAA
2007
IEEE
148views Database» more  DASFAA 2007»
13 years 11 months ago
Schema Mapping in P2P Networks Based on Classification and Probing
In this paper, we address the problems of adaptive schema mappings between different peers in peer-to-peer network and searching for interesting data residing at different peers ba...
Guoliang Li, Beng Chin Ooi, Bei Yu, Lizhu Zhou
EDBT
2009
ACM
102views Database» more  EDBT 2009»
14 years 2 months ago
On keys, foreign keys and nullable attributes in relational mapping systems
We consider the following scenario for a mapping system: given a source schema, a target schema, and a set of value correspondences between these two schemas, generate an executab...
Luca Cabibbo
VLDB
1997
ACM
86views Database» more  VLDB 1997»
13 years 11 months ago
Using Probabilistic Information in Data Integration
The goal of a mediator system is to provide users a uniform interface to the multitude of information sources. To translate user queries, given in a mediated schema, to queries on...
Daniela Florescu, Daphne Koller, Alon Y. Levy