343 search results - page 36 / 69 » Efficient Query Evaluation over Compressed XML Data |
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Two trends are converging to make the CPU cost of a table scan a more important component of database performance. First, table scans are becoming a larger fraction of the query p...
ER
2006
Springer
14 years 10 days ago
2006
Springer
When web servers publish data formatted in XML, only the current state of the data is (generally) published. But data evolves over time as it is updated. Capturing that evolution i...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...
VLDB
2004
ACM
14 years 2 months ago
2004
ACM
XML languages, such as XQuery, XSLT and SQL/XML, employ XPath as the search and extraction language. XPath expressions often define complicated navigation, resulting in expensive...
WWW
2008
ACM
14 years 9 months ago
2008
ACM
In this poster, we present the P2P XML data localization layer of XLive, an XQuery mediation system developed at University of Versailles [2]. A major challenge in the evaluation ...