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DOLAP
2004
ACM
15 years 9 months ago
An analysis of additivity in OLAP systems
Accurate summary data is of paramount concern in data warehouse systems; however, there have been few attempts to completely characterize the ability to summarize measures. The su...
John Horner, Il-Yeol Song, Peter P. Chen
CIKM
2004
Springer
15 years 9 months ago
Discovering frequently changing structures from historical structural deltas of unordered XML
Recently, a large amount of work has been done in XML data mining. However, we observed that most of the existing works focus on the snapshot XML data, while XML data is dynamic i...
Qiankun Zhao, Sourav S. Bhowmick, Mukesh K. Mohani...
GECCO
2004
Springer
106views Optimization» more  GECCO 2004»
15 years 9 months ago
Evolving En-Route Caching Strategies for the Internet
Nowadays, large distributed databases are commonplace. Client applications increasingly rely on accessing objects from multiple remote hosts. The Internet itself is a huge network ...
Jürgen Branke, Pablo Funes, Frederik Thiele
WIDM
2003
ACM
15 years 9 months ago
Schema-guided wrapper maintenance for web-data extraction
Extracting data from Web pages using wrappers is a fundamental problem arising in a large variety of applications of vast practical interests. There are two main issues relevant t...
Xiaofeng Meng, Dongdong Hu, Chen Li
DEXAW
1999
IEEE
106views Database» more  DEXAW 1999»
15 years 8 months ago
Textual Similarities Based on a Distributional Approach
The design of efficient textual similarities is an important issue in the domain of textual data exploration. Textual similarities are for example central in document collection s...
Romaric Besançon, Martin Rajman, Jean-C&eac...