102 search results - page 14 / 21 » Aggregation Algorithms for Very Large Compressed Data Wareho... |
ICDCS
2012
IEEE
11 years 10 months ago
2012
IEEE
Operational network data, management data such as customer care call logs and equipment system logs, is a very important source of information for network operators to detect prob...
KDD
2007
ACM
14 years 7 months ago
2007
ACM
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...
JCO
2010
13 years 5 months ago
2010
Abstract Polynomial-time data reduction is a classical approach to hard graph problems. Typically, particular small subgraphs are replaced by smaller gadgets. We generalize this ap...
SIGMOD
1997
ACM
13 years 11 months ago
1997
ACM
: The read-mostly environment of data warehousing makes it possible to use more complex indexes to speed up queries than in situations where concurrent updatesare present. The curr...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
Learning-to-rank algorithms, which can automatically adapt ranking functions in web search, require a large volume of training data. A traditional way of generating training examp...