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» Quasi-inverses of schema mappings
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PODS
2005
ACM
130views Database» more  PODS 2005»
14 years 7 months ago
Composition of mappings given by embedded dependencies
Composition of mappings between schemas is essential to support schema evolution, data exchange, data integration, and other data management tasks. In many applications, mappings ...
Alan Nash, Philip A. Bernstein, Sergey Melnik
SEMWEB
2007
Springer
14 years 1 months ago
TaxoMap in the OAEI 2007 Alignment Contest
This paper presents our first participation in the OAEI 2007 campaign. It describes an approach to align taxonomies which relies on terminological and structural techniques applie...
Haïfa Zargayouna, Brigitte Safar, Chantal Rey...
VLDB
2005
ACM
103views Database» more  VLDB 2005»
14 years 1 months ago
Mapping Maintenance for Data Integration Systems
To answer user queries, a data integration system employs a set of semantic mappings between the mediated schema and the schemas of data sources. In dynamic environments sources o...
Robert McCann, Bedoor K. AlShebli, Quoc Le, Hoa Ng...
PVLDB
2010
204views more  PVLDB 2010»
13 years 6 months ago
Cheetah: A High Performance, Custom Data Warehouse on Top of MapReduce
Large-scale data analysis has become increasingly important for many enterprises. Recently, a new distributed computing paradigm, called MapReduce, and its open source implementat...
Songting Chen
SIGMOD
1999
ACM
114views Database» more  SIGMOD 1999»
13 years 12 months ago
A Layered Architecture for Querying Dynamic Web Content
The design of webbases, database systems for supporting Webbased applications, is currently an active area of research. In this paper, we propose a 3-layer architecture for design...
Hasan Davulcu, Juliana Freire, Michael Kifer, I. V...