81 search results - page 3 / 17 » Structuring and Expanding Queries in the Probabilistic Model |
PODS
1993
ACM
14 years 1 months ago
1993
ACM
In this paper, we motivate four di erent user de ned window query classes and derive a probabilistic model for each of them. For each model, we characterize the e ciency of spatia...
CIKM
2001
Springer
14 years 2 months ago
2001
Springer
The language modeling approach to retrieval has been shown to perform well empirically. One advantage of this new approach is its statistical foundations. However, feedback, as on...
HIM
1997
Springer
14 years 1 months ago
1997
Springer
Classical retrieval models support content-oriented searching for documents using a set of words as data model. However, in hypertext and database applications we want to consider...
VLDB
2004
ACM
14 years 3 months ago
2004
ACM
We investigate the problem of ranking answers to a database query when many tuples are returned. We adapt and apply principles of probabilistic models from Information Retrieval f...
SIGMOD
2009
ACM
14 years 10 months ago
2009
ACM
In this paper, we consider the problem of keyword query cleaning for structured databases from a probabilistic approach. Keyword query cleaning consists of rewriting the user quer...