Sciweavers

662 search results - page 44 / 133
» Database and Information Retrieval Techniques for XML
Sort
View
PVLDB
2008
167views more  PVLDB 2008»
13 years 7 months ago
Managing and querying transaction-time databases under schema evolution
The old problem of managing the history of database information is now made more urgent and complex by fast spreading web information systems, such as Wikipedia. Our PRIMA system ...
Hyun Jin Moon, Carlo Curino, Alin Deutsch, Chien-Y...
SIGIR
2008
ACM
13 years 7 months ago
Advances in information and knowledge management
Several research areas today overlap between the tracks of databases, information retrieval and knowledge management, such as natural language processing, semantic web, digital li...
Aparna S. Varde, Jian Pei
DEBU
2008
125views more  DEBU 2008»
13 years 7 months ago
Querying XML in Timber
In this paper, we describe the TIMBER XML database system implemented at University of Michigan. TIMBER was one of the first native XML database systems, designed from the ground ...
Yuqing Wu, Stelios Paparizos, H. V. Jagadish
SIGMOD
1995
ACM
80views Database» more  SIGMOD 1995»
13 years 11 months ago
Join Queries with External Text Sources: Execution and Optimization Techniques
Text is a pervasive information type, and many applications require querying over text sources in addition to structured data. This paper studies the problem of query processing i...
Surajit Chaudhuri, Umeshwar Dayal, Tak W. Yan
EDBT
2002
ACM
125views Database» more  EDBT 2002»
14 years 7 months ago
Estimating Answer Sizes for XML Queries
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
Yuqing Wu, Jignesh M. Patel, H. V. Jagadish