217 search results - page 38 / 44 » An optimization for query answering on ALC database |
EDBT
2004
ACM
14 years 8 months ago
2004
ACM
Abstract. Recent years have witnessed an increasing interest in designing algorithms for querying and analyzing streaming data (i.e., data that is seen only once in a fixed order) ...
SIGMOD
2005
ACM
14 years 8 months ago
2005
ACM
Searching for all occurrences of a twig pattern in an XML document is an important operation in XML query processing. Recently a holistic method TwigStack [2] has been proposed. T...
DASFAA
2008
IEEE
14 years 3 months ago
2008
IEEE
The DWS (Data Warehouse Striping) technique is a round-robin data partitioning approach especially designed for distributed data warehousing environments. In DWS the fact tables ar...
ICICS
2007
Springer
14 years 16 days ago
2007
Springer
Authentication is increasingly relevant to data management. Data is being outsourced to untrusted servers and clients want to securely update and query their data. For example, in ...
WWW
2003
ACM
14 years 9 months ago
2003
ACM
This paper focuses on the optimization of the navigation through voluminous subsumption hierarchies of topics employed by Portal Catalogs like Netscape Open Directory (ODP). We ad...