Sciweavers

3678 search results - page 181 / 736
» Personalization of Queries in Database Systems
Sort
View
WWW
2008
ACM
16 years 7 months ago
Personalized web exploration with task models
Personalized Web search has emerged as one of the hottest topics for both the Web industry and academic researchers. However, the majority of studies on personalized search focuse...
Jae-wook Ahn, Peter Brusilovsky, Daqing He, Jonath...
ICDE
2012
IEEE
249views Database» more  ICDE 2012»
13 years 8 months ago
Answering Why-not Questions on Top-k Queries
Abstract—After decades of effort working on database performance, the quality and the usability of database systems have received more attention in recent years. In particular, t...
Zhian He, Eric Lo
CIKM
2004
Springer
15 years 11 months ago
Node ranking in labeled directed graphs
Our work is motivated by the problem of ranking hyperlinked documents for a given query. Given an arbitrary directed graph with edge and node labels, we present a new flow-based ...
Krishna Prasad Chitrapura, Srinivas R. Kashyap
SIGMOD
2007
ACM
147views Database» more  SIGMOD 2007»
16 years 6 months ago
Extending relational query optimization to dynamic schemas for information integration in multidatabases
This paper extends relational processing and optimization to the FISQL/FIRA languages for dynamic schema queries over multidatabases. Dynamic schema queries involve the creation a...
Catharine M. Wyss, Felix I. Wyss
SIGMOD
2002
ACM
121views Database» more  SIGMOD 2002»
16 years 6 months ago
The Design and Performance Evaluation of Alternative XML Storage Strategies
This paper studies five strategies for storing XML documents including one that leaves documents in the file system, three that use a relational database system, and one that uses...
Feng Tian, David J. DeWitt, Jianjun Chen, Chun Zha...