330 search results - page 38 / 66 » A data abstraction approach for query relaxation |
PKDD
2004
Springer
14 years 29 days ago
2004
Springer
Abstract. To represent and manage data mining patterns, several aspects have to be taken into account: (i) patterns are heterogeneous in nature; (ii) patterns can be extracted from...
DAWAK
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. A federated data warehouse is a logical integration of data warehouses applicable when physical integration is impossible due to privacy policy or legal restrictions. In ...
BXML
2003
13 years 9 months ago
2003
Abstract: The goal of information extraction (IE) is to find desired pieces of information in natural language texts and store them in a form that is suitable for automatic queryi...
BNCOD
2008
13 years 9 months ago
2008
Abstract. Accurate selectivity estimations are essential for query optimization decisions where they are typically derived from various kinds of histograms which condense value dis...
PERCOM
2009
ACM
14 years 8 months ago
2009
ACM
Abstract--Presence, broadly defined as an event publishnotification infrastructure for converged applications, has emerged as a key mechanism for collecting and disseminating conte...