2607 search results - page 93 / 522 » An Ontology-Based Information Retrieval Model |
IR
2000
13 years 10 months ago
2000
In classic InformationRetrieval systems a relevant document will not be retrieved in response to a query if the document and query representations do not share at least one term. T...
ICDE
2006
IEEE
14 years 4 months ago
2006
IEEE
The dream of pervasive multimedia retrieval and reuse will not be realized without incorporating semantics in the multimedia database. As video data is penetrating many informatio...
WSDM
2012
ACM
12 years 5 months ago
2012
ACM
In this work we propose a novel approach to anomaly detection in streaming communication data. We first build a stochastic model for the system based on temporal communication pa...
WSDM
2012
ACM
12 years 5 months ago
2012
ACM
This paper presents a novel opinion mining research problem, which is called Contrastive Opinion Modeling (COM). Given any query topic and a set of text collections from multiple ...
CIKM
2008
Springer
14 years 2 days ago
2008
Springer
We propose a novel probabilistic method based on the Hidden Markov Model (HMM) to learn the structure of a Latent Variable Model (LVM) for query language modeling. In the proposed...