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» Perspectives and Complex Aggregates
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KDD
2007
ACM
165views Data Mining» more  KDD 2007»
14 years 10 months ago
Efficient and effective explanation of change in hierarchical summaries
Dimension attributes in data warehouses are typically hierarchical (e.g., geographic locations in sales data, URLs in Web traffic logs). OLAP tools are used to summarize the measu...
Deepak Agarwal, Dhiman Barman, Dimitrios Gunopulos...
STOC
2004
ACM
145views Algorithms» more  STOC 2004»
14 years 10 months ago
Using mixture models for collaborative filtering
A collaborative filtering system at an e-commerce site or similar service uses data about aggregate user behavior to make recommendations tailored to specific user interests. We d...
Jon M. Kleinberg, Mark Sandler
VLDB
2001
ACM
127views Database» more  VLDB 2001»
14 years 10 months ago
Efficiently publishing relational data as XML documents
: XML is rapidly emerging as a standard for exchanging business data on the World Wide Web. For the foreseeable future, however, most business data will continue to be stored in re...
Jayavel Shanmugasundaram, Eugene J. Shekita, Rimon...
SIGMOD
2007
ACM
153views Database» more  SIGMOD 2007»
14 years 10 months ago
Scaling games to epic proportion
We introduce scalability for computer games as the next frontier for techniques from data management. A very important aspect of computer games is the artificial intelligence (AI)...
Walker M. White, Alan J. Demers, Christoph Koch, J...
PODS
2002
ACM
167views Database» more  PODS 2002»
14 years 10 months ago
OLAP Dimension Constraints
In multidimensional data models intended for online analytic processing (OLAP), data are viewed as points in a multidimensional space. Each dimension has structure, described by a...
Carlos A. Hurtado, Alberto O. Mendelzon