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» Scalable Package Queries in Relational Database Systems
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WEBDB
2010
Springer
238views Database» more  WEBDB 2010»
15 years 1 months ago
An Agglomerative Query Model for Discovery in Linked Data: Semantics and Approach
Data on the Web is increasingly being used for discovery and exploratory tasks. Unlike traditional fact-finding tasks that require only the typical single-query and response parad...
Sidan Gao, Haizhou Fu, Kemafor Anyanwu
CIKM
2010
Springer
14 years 8 months ago
Index structures for efficiently searching natural language text
Many existing indexes on text work at the document granularity and are not effective in answering the class of queries where the desired answer is only a term or a phrase. In this...
Pirooz Chubak, Davood Rafiei
ICDE
2007
IEEE
136views Database» more  ICDE 2007»
15 years 11 months ago
Faceted Browsing over Large Databases of Text-Annotated Objects
We demonstrate a fully working system for multifaceted browsing over large collections of text-annotated data, such as annotated images, that are stored in relational databases. T...
Wisam Dakka, Panagiotis G. Ipeirotis, Kenneth R. W...
VLDB
1989
ACM
88views Database» more  VLDB 1989»
15 years 2 months ago
Estimating the Size of Generalized Transitive Closures
We present a framework for the estimation of the size of binary recursively defined relations. We show how the framework can be used to provide estimating algo rithms for the size...
Richard J. Lipton, Jeffrey F. Naughton
ADBIS
2007
Springer
126views Database» more  ADBIS 2007»
15 years 2 months ago
Optimal Query Mapping in Mobile OLAP
Query mapping to aggregation lattices is used in order to exploit sub-cube dependencies in multidimensional databases. It is employed in mobile OLAP dissemination systems, in order...
Ilias Michalarias, Hans-Joachim Lenz