Sciweavers

1286 search results - page 177 / 258
» Scalable Package Queries in Relational Database Systems
Sort
View
FQAS
1998
Springer
133views Database» more  FQAS 1998»
15 years 2 months ago
Estimating the Quality of Databases
Abstract. With more and more electronic information sources becoming widely available, the issue of the quality of these often-competing sources has become germane. We propose a st...
Amihai Motro, Igor Rakov
WIDM
2003
ACM
15 years 3 months ago
Query rewriting using views in the presence of inclusion dependencies
Query rewriting using views is an essential issue in data integration. A number of algorithms, e.g., the bucket algorithm, the inverse rules algorithm, the SVB algorithm and the M...
Qingyuan Bai, Jun Hong, Michael F. McTear
VLDB
2000
ACM
155views Database» more  VLDB 2000»
15 years 1 months ago
ICICLES: Self-Tuning Samples for Approximate Query Answering
Approximate query answering systems provide very fast alternatives to OLAP systems when applications are tolerant to small errors in query answers. Current sampling-based approach...
Venkatesh Ganti, Mong-Li Lee, Raghu Ramakrishnan
ECIR
2009
Springer
14 years 7 months ago
Graded-Inclusion-Based Information Retrieval Systems
This paper investigates the use of fuzzy logic mechanisms coming from the database community, namely graded inclusions, to model the information retrieval process. In this framewor...
Patrick Bosc, Vincent Claveau, Olivier Pivert, Lau...
DBISP2P
2004
Springer
107views Database» more  DBISP2P 2004»
15 years 3 months ago
On Using Histograms as Routing Indexes in Peer-to-Peer Systems
Peer-to-peer systems offer an efficient means for sharing data among autonomous nodes. A central issue is locating the nodes with data matching a user query. A decentralized solut...
Yannis Petrakis, Georgia Koloniari, Evaggelia Pito...