Sciweavers

330 search results - page 38 / 66
» A data abstraction approach for query relaxation
Sort
View
98
Voted
PKDD
2004
Springer
79views Data Mining» more  PKDD 2004»
15 years 3 months ago
A Framework for Data Mining Pattern Management
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...
Barbara Catania, Anna Maddalena, Maurizio Mazza, E...
75
Voted
DAWAK
2007
Springer
15 years 3 months ago
Automating the Schema Matching Process for Heterogeneous Data Warehouses
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 ...
Marko Banek, Boris Vrdoljak, A. Min Tjoa, Zoran Sk...
BXML
2003
14 years 11 months ago
Learning to Extract Information for the Semantic Web
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...
Christian Siefkes
81
Voted
BNCOD
2008
96views Database» more  BNCOD 2008»
14 years 11 months ago
Smooth Interpolating Histograms with Error Guarantees
Abstract. Accurate selectivity estimations are essential for query optimization decisions where they are typically derived from various kinds of histograms which condense value dis...
Thomas Neumann, Sebastian Michel
PERCOM
2009
ACM
15 years 10 months ago
Programmable Presence Virtualization for Next-Generation Context-Based Applications
Abstract--Presence, broadly defined as an event publishnotification infrastructure for converged applications, has emerged as a key mechanism for collecting and disseminating conte...
Arup Acharya, Nilanjan Banerjee, Dipanjan Chakrabo...