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» A Framework for Querying Pedigree Data
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CAISE
2005
Springer
15 years 3 months ago
Query Processing Using Ontologies
Abstract. Recently, the database and AI research communities have paid increased attention to ontologies. The main motivating reason is that ontologies promise solutions for comple...
Chokri Ben Necib, Johann Christoph Freytag
VLDB
2006
ACM
490views Database» more  VLDB 2006»
16 years 9 months ago
The New Casper: Query Processing for Location Services without Compromising Privacy
This paper tackles a major privacy concern in current location-based services where users have to continuously report their locations to the database server in order to obtain the ...
Mohamed F. Mokbel, Chi-Yin Chow, Walid G. Aref
ICDT
2007
ACM
126views Database» more  ICDT 2007»
15 years 4 months ago
Combining Incompleteness and Ranking in Tree Queries
Abstract. In many cases, users may want to consider incomplete answers to their queries. Often, however, there is an overwhelming number of such answers, even if subsumed answers a...
Benny Kimelfeld, Yehoshua Sagiv
DAWAK
2005
Springer
15 years 3 months ago
Using Schema Transformation Pathways for Incremental View Maintenance
In heterogeneous data warehousing environments, autonomous data sources are integrated into a materialized integrated database. The schemas of the data sources and the integrated ...
Hao Fan
XSYM
2007
Springer
150views Database» more  XSYM 2007»
15 years 4 months ago
Fast Answering of XPath Query Workloads on Web Collections
Several web applications (such as processing RSS feeds or web service messages) rely on XPath-based data manipulation tools. Web developers need to use XPath queries effectively o...
Mariano P. Consens, Flavio Rizzolo