521 search results - page 25 / 105 » A Probabilistic Framework for Answer Selection in Question A... |
PVLDB
2010
13 years 6 months ago
2010
This paper addresses the problem of explaining missing answers in queries that include selection, projection, join, union, aggregation and grouping (SPJUA). Explaining missing ans...
SIGMOD
2002
ACM
14 years 7 months ago
2002
ACM
Recent work has demonstrated the effectiveness of the wavelet decomposition in reducing large amounts of data to compact sets of wavelet coefficients (termed "wavelet synopse...
ACSAC
2002
IEEE
14 years 17 days ago
2002
IEEE
Worms continue to be a leading security threat on the Internet. This paper analyzes several of the more widespread worms and develops a general life-cycle for them. The lifecycle,...
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
We examine the problem of evaluating selection queries over imprecisely represented objects. Such objects are used either because they are much smaller in size than the precise on...
FGCS
2000
13 years 7 months ago
2000
Conventional encryption technology often requires users to protect a secret key by selecting a password or passphrase. While a good passphrase will only be known to the user, it a...