Sciweavers

1160 search results - page 106 / 232
» Query Processing and Optimization for Pictorial Query Trees
Sort
View
SIGMOD
2004
ACM
127views Database» more  SIGMOD 2004»
16 years 1 months ago
Efficient Query Reformulation in Peer-Data Management Systems
Peer data management systems (PDMS) offer a flexible architecture for decentralized data sharing. In a PDMS, every peer is associated with a schema that represents the peer's...
Igor Tatarinov, Alon Y. Halevy
PVLDB
2010
179views more  PVLDB 2010»
14 years 11 months ago
MRShare: Sharing Across Multiple Queries in MapReduce
Large-scale data analysis lies in the core of modern enterprises and scientific research. With the emergence of cloud computing, the use of an analytical query processing infrast...
Tomasz Nykiel, Michalis Potamias, Chaitanya Mishra...
SIGMOD
2000
ACM
99views Database» more  SIGMOD 2000»
15 years 5 months ago
WSQ/DSQ: A Practical Approach for Combined Querying of Databases and the Web
We present WSQ/DSQ (pronounced “wisk-disk”), a new approach for combining the query facilities of traditional databases with existing search engines on the Web. WSQ, for Web-S...
Roy Goldman, Jennifer Widom
ICDE
2009
IEEE
157views Database» more  ICDE 2009»
14 years 11 months ago
Query Rewrites with Views for XML in DB2
There is much effort to develop comprehensive support for the storage and querying of XML data in database management systems. The major developers have extended their systems to h...
Parke Godfrey, Jarek Gryz, Andrzej Hoppe, Wenbin M...
SIGMOD
2004
ACM
199views Database» more  SIGMOD 2004»
16 years 1 months ago
Approximate XML Query Answers
The rapid adoption of XML as the standard for data representation and exchange foreshadows a massive increase in the amounts of XML data collected, maintained, and queried over th...
Neoklis Polyzotis, Minos N. Garofalakis, Yannis E....