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AI
2009
Springer
14 years 2 months ago
An Ontology-Based Spatial Clustering Selection System
Spatial clustering, which groups similar spatial objects into classes, is an important research topic in spatial data mining. Many spatial clustering methods have been developed re...
Wei Gu, Xin Wang, Danielle Ziébelin
SIGMOD
1997
ACM
127views Database» more  SIGMOD 1997»
13 years 12 months ago
Infomaster: An Information Integration System
Infomaster is an information integration system that provides integrated access tomultiple distributed heterogeneous information sources on the Internet, thus giving the illusion ...
Michael R. Genesereth, Arthur M. Keller, Oliver M....
DOLAP
2003
ACM
14 years 28 days ago
Hierarchical dwarfs for the rollup cube
The data cube operator exemplifies two of the most important aspects of OLAP queries: aggregation and dimension hierarchies. In earlier work we presented Dwarf, a highly compress...
Yannis Sismanis, Antonios Deligiannakis, Yannis Ko...
SEMWEB
2007
Springer
14 years 1 months ago
YARS2: A Federated Repository for Querying Graph Structured Data from the Web
We present the architecture of an end-to-end semantic search engine that uses a graph data model to enable interactive query answering over structured and interlinked data collecte...
Andreas Harth, Jürgen Umbrich, Aidan Hogan, S...
ICDM
2009
IEEE
169views Data Mining» more  ICDM 2009»
13 years 5 months ago
Learning the Shared Subspace for Multi-task Clustering and Transductive Transfer Classification
There are many clustering tasks which are closely related in the real world, e.g. clustering the web pages of different universities. However, existing clustering approaches neglec...
Quanquan Gu, Jie Zhou