5 search results - page 1 / 1 » Top-k queries on uncertain data: on score distribution and t... |
ISAAC
2007
Springer
13 years 10 months ago
2007
Springer
In an uncertain data set S = (S, p, f) where S is the ground set consisting of n elements, p : S → [0, 1] a probability function, and f : S → R a score function, each element i...
SIGMOD
2009
ACM
14 years 4 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...
WWW
2006
ACM
14 years 5 months ago
2006
ACM
We introduce a new, powerful class of text proximity queries: find an instance of a given "answer type" (person, place, distance) near "selector" tokens matchi...
VLDB
2004
ACM
14 years 4 months ago
2004
ACM
Ranking queries produce results that are ordered on some computed score. Typically, these queries involve joins, where users are usually interested only in the top-k join results....
SSDBM
2006
IEEE
13 years 10 months ago
2006
IEEE
In many modern applications, there are no exact values available to describe the data objects. Instead, the feature values are considered to be uncertain. This uncertainty is mode...