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SIGMOD
2008
ACM
193views Database» more  SIGMOD 2008»
14 years 10 months ago
ARCube: supporting ranking aggregate queries in partially materialized data cubes
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
Tianyi Wu, Dong Xin, Jiawei Han
SIGMOD
2008
ACM
158views Database» more  SIGMOD 2008»
14 years 10 months ago
Sampling cube: a framework for statistical olap over sampling data
Sampling is a popular method of data collection when it is impossible or too costly to reach the entire population. For example, television show ratings in the United States are g...
Xiaolei Li, Jiawei Han, Zhijun Yin, Jae-Gil Lee, Y...
SIGMOD
2006
ACM
232views Database» more  SIGMOD 2006»
14 years 10 months ago
To search or to crawl?: towards a query optimizer for text-centric tasks
Text is ubiquitous and, not surprisingly, many important applications rely on textual data for a variety of tasks. As a notable example, information extraction applications derive...
Panagiotis G. Ipeirotis, Eugene Agichtein, Pranay ...
SIGMOD
2004
ACM
189views Database» more  SIGMOD 2004»
14 years 10 months ago
A Holistic Paradigm for Large Scale Schema Matching
Schema matching is a critical problem for integrating heterogeneous information sources. Traditionally, the problem of matching multiple schemas has essentially relied on finding ...
Bin He, Kevin Chen-Chuan Chang
ICSE
2003
IEEE-ACM
14 years 10 months ago
ViewPoints: meaningful relationships are difficult!
The development of complex systems invariably involves many stakeholders who have different perspectives on the problem they are addressing, the system being developed, and the pr...
Bashar Nuseibeh, Jeff Kramer, Anthony Finkelstein