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SIGMOD
2003
ACM
129views Database» more  SIGMOD 2003»
16 years 6 months ago
On Schema Matching with Opaque Column Names and Data Values
Most previous solutions to the schema matching problem rely in some fashion upon identifying "similar" column names in the schemas to be matched, or by recognizing commo...
Jaewoo Kang, Jeffrey F. Naughton
SIGMOD
2003
ACM
88views Database» more  SIGMOD 2003»
16 years 6 months ago
Mapping Data in Peer-to-Peer Systems: Semantics and Algorithmic Issues
We consider the problem of mapping data in peer-topeer data-sharing systems. Such systems often rely on the use of mapping tables listing pairs of corresponding values to search f...
Anastasios Kementsietsidis, Marcelo Arenas, Ren&ea...
PODS
2003
ACM
113views Database» more  PODS 2003»
16 years 6 months ago
Materializing views with minimal size to answer queries
In this paper we study the following problem. Given a database and a set of queries, we want to find, in advance, a set of views that can compute the answers to the queries, such ...
Rada Chirkova, Chen Li
EDBT
2006
ACM
118views Database» more  EDBT 2006»
16 years 6 months ago
Multi-dimensional Aggregation for Temporal Data
Business Intelligence solutions, encompassing technologies such as multi-dimensional data modeling and aggregate query processing, are being applied increasingly to non-traditional...
Christian S. Jensen, Johann Gamper, Michael H. B&o...
EDBT
2008
ACM
159views Database» more  EDBT 2008»
16 years 6 months ago
Automaton in or out: run-time plan optimization for XML stream processing
Many systems such as Tukwila and YFilter combine automaton and algebra techniques to process queries over tokenized XML streams. Typically in this architecture, an automaton is fi...
Hong Su, Elke A. Rundensteiner, Murali Mani