Sciweavers

2546 search results - page 38 / 510
» Managing long-running queries
Sort
View
119
Voted
DBPL
2003
Springer
144views Database» more  DBPL 2003»
15 years 3 months ago
A General Framework for Estimating XML Query Cardinality
Abstract. In the context of XML data management systems, the estimation of query cardinality is becoming more and more important: the information provided by a query result estimat...
Carlo Sartiani
70
Voted
SIGIR
2010
ACM
15 years 2 months ago
Query log analysis in the context of information retrieval for children
In this paper we analyze queries and sessions intended to satisfy children’s information needs using a large-scale query log. The aim of this analysis is twofold: i) To identify...
Sergio Duarte Torres, Djoerd Hiemstra, Pavel Serdy...
CIKM
2008
Springer
15 years 8 days ago
Query suggestion using hitting time
Generating alternative queries, also known as query suggestion, has long been proved useful to help a user explore and express his information need. In many scenarios, such sugges...
Qiaozhu Mei, Dengyong Zhou, Kenneth Ward Church
SIGMOD
2007
ACM
137views Database» more  SIGMOD 2007»
15 years 10 months ago
Intensional associations between data and metadata
There is a growing need to associate a variety of metadata with the underlying data, but a simple, elegant approach to uniformly model and query both the data and the metadata has...
Divesh Srivastava, Yannis Velegrakis
102
Voted
COOPIS
1997
IEEE
15 years 2 months ago
Query Modification in Object-Oriented Database Federations
W e discuss the modification of queries against an integrated view in a federation of object-oriented databases. W epresent a generalisation of existing algorithms for simple glob...
Mark W. W. Vermeer, Peter M. G. Apers