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ER
1999
Springer
155views Database» more  ER 1999»
15 years 8 months ago
Detecting Redundancy in Data Warehouse Evolution
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over a set of remote data sources. A DW is intended to satisfy a set of queries. The views materi...
Dimitri Theodoratos
VLDB
1998
ACM
111views Database» more  VLDB 1998»
15 years 8 months ago
Filtering with Approximate Predicates
Approximate predicates can be used to reduce the number of comparisons made by expensive, complex predicates. For example, to check if a point is within a region (expensive predic...
Narayanan Shivakumar, Hector Garcia-Molina, Chandr...
CIKM
2008
Springer
15 years 6 months ago
Multi-scale characterization of social network dynamics in the blogosphere
We have developed a computational framework to characterize social network dynamics in the blogosphere at individual, group and community levels. Such characterization could be us...
Munmun De Choudhury, Hari Sundaram, Ajita John, Do...
DEXA
2008
Springer
151views Database» more  DEXA 2008»
15 years 6 months ago
Extraction of Opposite Sentiments in Classified Free Format Text Reviews
Opinion mining received well attention in finding personal opinions from user generated content. These opinions contain valuable information for improving and/or comparing the prod...
Dong (Haoyuan) Li, Anne Laurent, Mathieu Roche, Pa...
ECEASST
2008
121views more  ECEASST 2008»
15 years 4 months ago
Analyzing Semantic Properties of OCL Operations by Uncovering Interoperational Relationships
The OCL (Object Constraint Language) as part of the UML (Unified Modeling Language) is a rich language with different collection kinds (sets, multi-sets, sequences) and a large var...
Mirco Kuhlmann, Martin Gogolla