173 search results - page 15 / 35 » Consistent Query Answering in Data Warehouses |
ISAAC
2007
Springer
14 years 3 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...
DEXAW
2007
IEEE
14 years 4 months ago
2007
IEEE
Question Answering (QA) systems automatically answer natural language questions in a human-like manner. One of the practical approaches to open domain QA consists in extracting fa...
VLDB
2000
ACM
14 years 1 months ago
2000
ACM
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...
DMDW
2000
13 years 11 months ago
2000
As views in a data warehouse become more complex, the view maintenance process can become very complicated and potentially very inefficient. Storing auxiliary views in the warehou...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...