1821 search results - page 349 / 365 » U-DBMS: A Database System for Managing Constantly-Evolving D... |
KDD
2007
ACM
14 years 8 months ago
2007
ACM
The increasing pervasiveness of the Internet has dramatically changed the way that consumers shop for goods. Consumergenerated product reviews have become a valuable source of inf...
KDD
2007
ACM
14 years 8 months ago
2007
ACM
Frequent episode discovery is a popular framework for mining data available as a long sequence of events. An episode is essentially a short ordered sequence of event types and the...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
We have developed a system to process database queries over composed data providing web services. The queries are transformed into execution plans containing an operator that invok...
EDBT
2010
ACM
14 years 18 days ago
2010
ACM
Most modern RDBMS depend on the query processing optimizer’s cost model to choose the best execution plan for a given query. Since the physical IO (PIO) is a costly operation to...
GIS
2002
ACM
13 years 7 months ago
2002
ACM
Clustering is one of the most important tasks for geographic knowledge discovery. However, existing clustering methods have two severe drawbacks for this purpose. First, spatial c...