Sciweavers

2145 search results - page 162 / 429
» Answering Queries Using Views
Sort
View
LREC
2008
101views Education» more  LREC 2008»
15 years 5 months ago
Ontology-Based XQuery'ing of XML-Encoded Language Resources on Multiple Annotation Layers
We present an approach for querying collections of heterogeneous linguistic corpora that are annotated on multiple layers using arbitrary XML-based markup languages. An OWL ontolo...
Georg Rehm, Richard Eckart, Christian Chiarcos, Jo...
SIGMOD
2007
ACM
165views Database» more  SIGMOD 2007»
16 years 4 months ago
Statistical analysis of sketch estimators
Sketching techniques can provide approximate answers to aggregate queries either for data-streaming or distributed computation. Small space summaries that have linearity propertie...
Florin Rusu, Alin Dobra
BTW
2003
Springer
92views Database» more  BTW 2003»
15 years 9 months ago
A Logical, Transparent Model for Querying Linked XML Documents
Abstract:The W3C XML Linking Language (XLink) provides a powerful means for interlinking XML documents all over the world. While the effects when browsing through linked XML docume...
Wolfgang May, Dimitrio Malheiro
SIGMOD
1996
ACM
131views Database» more  SIGMOD 1996»
15 years 8 months ago
Materialized View Maintenance and Integrity Constraint Checking: Trading Space for Time
We investigate the problem of incremental maintenance of an SQL view in the face of database updates, and show that it is possible to reduce the total time cost of view maintenanc...
Kenneth A. Ross, Divesh Srivastava, S. Sudarshan
CIKM
2008
Springer
15 years 5 months ago
Content-based filtering for efficient online materialized view maintenance
Real-time materialized view maintenance has become increasingly popular, especially in real-time data warehousing and data streaming environments. Upon updates to base relations, ...
Gang Luo, Philip S. Yu