Sciweavers

2063 search results - page 112 / 413
» Containment of Aggregate Queries
Sort
View
VLDB
2007
ACM
166views Database» more  VLDB 2007»
16 years 4 months ago
Supporting Time-Constrained SQL Queries in Oracle
The growing nature of databases, and the flexibility inherent in the SQL query language that allows arbitrarily complex formulations, can result in queries that take inordinate am...
Ying Hu, Seema Sundara, Jagannathan Srinivasan
VLDB
2008
ACM
127views Database» more  VLDB 2008»
16 years 4 months ago
Delay aware querying with Seaweed
Large highly distributed data sets are poorly supported by current query technologies. Applications such as endsystembased network management are characterized by data stored on l...
Dushyanth Narayanan, Austin Donnelly, Richard Mort...
WWW
2008
ACM
15 years 4 months ago
Divide, Compress and Conquer: Querying XML via Partitioned Path-Based Compressed Data Blocks
We propose a novel Partition Path-Based (PPB) grouping strategy to store compressed XML data in a stream of blocks. In addition, we employ a minimal indexing scheme called Block S...
Wilfred Ng, Ho Lam Lau, Aoying Zhou
SIGIR
2009
ACM
15 years 11 months ago
Learning to rank for quantity consensus queries
Web search is increasingly exploiting named entities like persons, places, businesses, addresses and dates. Entity ranking is also of current interest at INEX and TREC. Numerical ...
Somnath Banerjee, Soumen Chakrabarti, Ganesh Ramak...
DEXA
2009
Springer
175views Database» more  DEXA 2009»
15 years 11 months ago
RoK: Roll-Up with the K-Means Clustering Method for Recommending OLAP Queries
Dimension hierarchies represent a substantial part of the data warehouse model. Indeed they allow decision makers to examine data at different levels of detail with On-Line Analyt...
Fadila Bentayeb, Cécile Favre