1487 search results - page 20 / 298 » Representing and Querying Data Transformations |
IQIS
2007
ACM
13 years 9 months ago
2007
ACM
Relational Database Systems often support activities like data warehousing, cleaning and integration. All these activities require performing some sort of data transformations. Si...
DSL
1997
13 years 8 months ago
1997
DiSTiL is a software generator that implements a declarative domain-specific language (DSL) for container data structures. DiSTiL is a representative of a new approach to domain-...
BTW
2005
Springer
14 years 29 days ago
2005
Springer
: Access control is an important aspect in guaranteeing data privacy within XML data sources which are accessed by users with different access rights. The goal of predicative acces...
SIGIR
2009
ACM
14 years 1 months ago
2009
ACM
Long queries frequently contain many extraneous terms that hinder retrieval of relevant documents. We present techniques to reduce long queries to more effective shorter ones tha...
ADBIS
2005
Springer
14 years 29 days ago
2005
Springer
XQuery is widely used for querying XML documents. Within this paper, we examine optimization rules for XQuery queries that exploit type information of the input XML document given ...