199 search results - page 4 / 40 » Join queries on uncertain data: Semantics and efficient proc... |
ICDE
2009
IEEE
14 years 7 months ago
2009
IEEE
Abstract-- When dealing with massive quantities of data, topk queries are a powerful technique for returning only the k most relevant tuples for inspection, based on a scoring func...
TKDE
2002
13 years 5 months ago
2002
On-Line Analytical Processing (OLAP) refers to the technologies that allow users to efficiently retrieve data from the data warehouse for decision-support purposes. Data warehouses...
TKDE
2002
13 years 5 months ago
2002
A join-index is a data structure used for processing join queries in databases. Join-indices use precomputation techniques to speed up online query processing and are useful for da...
SIGMOD
2009
ACM
14 years 6 months ago
2009
ACM
Uncertain data arises in a number of domains, including data integration and sensor networks. Top-k queries that rank results according to some user-defined score are an important...
PVLDB
2010
13 years 4 months ago
2010
Mashups are situational applications that join multiple sources to better meet the information needs of Web users. Web sources can be huge databases behind query interfaces, which...