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SIGMOD
2001
ACM
200views Database» more  SIGMOD 2001»
16 years 3 months ago
Data Bubbles: Quality Preserving Performance Boosting for Hierarchical Clustering
In this paper, we investigate how to scale hierarchical clustering methods (such as OPTICS) to extremely large databases by utilizing data compression methods (such as BIRCH or ra...
Markus M. Breunig, Hans-Peter Kriegel, Peer Kr&oum...
EDBT
2002
ACM
246views Database» more  EDBT 2002»
16 years 3 months ago
Impact and Potential of User Profiles Used for Distributed Query Processing Based on Literature Services
Applying meta search systems is a suitable method to support the user if there are many different services. Due to information splitting strategies of literature services existing ...
Bethina Schmitt
EDBT
2004
ACM
174views Database» more  EDBT 2004»
16 years 3 months ago
Processing Data-Stream Join Aggregates Using Skimmed Sketches
There is a growing interest in on-line algorithms for analyzing and querying data streams, that examine each stream element only once and have at their disposal, only a limited amo...
Sumit Ganguly, Minos N. Garofalakis, Rajeev Rastog...
EDBT
2006
ACM
266views Database» more  EDBT 2006»
16 years 3 months ago
From Analysis to Interactive Exploration: Building Visual Hierarchies from OLAP Cubes
We present a novel framework for comprehensive exploration of OLAP data by means of user-defined dynamic hierarchical visualizations. The multidimensional data model behind the OLA...
Svetlana Vinnik, Florian Mansmann
EDBT
2008
ACM
128views Database» more  EDBT 2008»
16 years 3 months ago
Processing transitive nearest-neighbor queries in multi-channel access environments
Wireless broadcast is an efficient way for information dissemination due to its good scalability [10]. Existing works typically assume mobile devices, such as cell phones and PDAs...
Xiao Zhang, Wang-Chien Lee, Prasenjit Mitra, Baihu...