Sciweavers

735 search results - page 135 / 147
» Query Optimization In Compressed Database Systems
Sort
View
CIKM
2006
Springer
13 years 11 months ago
Cache-oblivious nested-loop joins
We propose to adapt the newly emerged cache-oblivious model to relational query processing. Our goal is to automatically achieve an overall performance comparable to that of fine-...
Bingsheng He, Qiong Luo
CIKM
2009
Springer
14 years 2 months ago
Exploring relevance for clicks
Mining feedback information from user click-through data is an important issue for modern Web retrieval systems in terms of architecture analysis, performance evaluation and algor...
Rongwei Cen, Yiqun Liu, Min Zhang, Bo Zhou, Liyun ...
SIGMOD
2008
ACM
123views Database» more  SIGMOD 2008»
14 years 7 months ago
Query-based partitioning of documents and indexes for information lifecycle management
Regulations require businesses to archive many electronic documents for extended periods of time. Given the sheer volume of documents and the response time requirements, documents...
Soumyadeb Mitra, Marianne Winslett, Windsor W. Hsu
CIKM
2005
Springer
14 years 1 months ago
Towards estimating the number of distinct value combinations for a set of attributes
Accurately and efficiently estimating the number of distinct values for some attribute(s) or sets of attributes in a data set is of critical importance to many database operation...
Xiaohui Yu, Calisto Zuzarte, Kenneth C. Sevcik
DASFAA
2006
IEEE
111views Database» more  DASFAA 2006»
14 years 1 months ago
Holistic Schema Mappings for XML-on-RDBMS
When hosting XML information on relational backends, a mapping has to be established between the schemas of the information source and the target storage repositories. A rich body ...
Priti Patil, Jayant R. Haritsa