1418 search results - page 233 / 284 » A Theory of Stream Queries |
SAC
2006
ACM
14 years 3 months ago
2006
ACM
In the paper we describe the problem of grouping and aggregation in the concept-oriented data model. The model is based on ordering its elements within a hierarchical multidimensi...
SIGIR
2004
ACM
14 years 2 months ago
2004
ACM
In recent years, statistical language models are being proposed as alternative to the vector space model. Viewing documents as language samples introduces the issue of defining a...
KR
2004
Springer
14 years 2 months ago
2004
Springer
The goal of producing a general purpose, semantically motivated, and computationally tractable deductive reasoning service remains surprisingly elusive. By and large, approaches t...
SIGIR
2003
ACM
14 years 2 months ago
2003
ACM
We propose a Bayesian extension to the ad-hoc Language Model. Many smoothed estimators used for the multinomial query model in ad-hoc Language Models (including Laplace and Bayes-...
CIKM
2009
Springer
14 years 1 months ago
2009
Springer
Tree patterns represent important fragments of XPath. In this paper, we show that some classes of tree patterns exhibit such a property that, given a finite number of tree patter...