Sciweavers

1349 search results - page 87 / 270
» Models for Incomplete and Probabilistic Information
Sort
View
ICDE
2010
IEEE
210views Database» more  ICDE 2010»
15 years 9 months ago
IQ^P: Incremental Query Construction, a Probabilistic Approach
—This paper presents IQP - a novel approach to bridge the gap between usability of keyword search and expressiveness of database queries. IQP enables a user to start with an arbi...
Elena Demidova, Xuan Zhou, Wolfgang Nejdl
SIGIR
2005
ACM
15 years 9 months ago
Linear discriminant model for information retrieval
This paper presents a new discriminative model for information retrieval (IR), referred to as linear discriminant model (LDM), which provides a flexible framework to incorporate a...
Jianfeng Gao, Haoliang Qi, Xinsong Xia, Jian-Yun N...
BMCBI
2008
128views more  BMCBI 2008»
15 years 4 months ago
Finding sequence motifs with Bayesian models incorporating positional information: an application to transcription factor bindin
Background: Biologically active sequence motifs often have positional preferences with respect to a genomic landmark. For example, many known transcription factor binding sites (T...
Nak-Kyeong Kim, Kannan Tharakaraman, Leonardo Mari...
SDM
2009
SIAM
235views Data Mining» more  SDM 2009»
16 years 1 months ago
Topic Cube: Topic Modeling for OLAP on Multidimensional Text Databases.
As the amount of textual information grows explosively in various kinds of business systems, it becomes more and more desirable to analyze both structured data records and unstruc...
ChengXiang Zhai, Duo Zhang, Jiawei Han
ACL
2006
15 years 5 months ago
Guessing Parts-of-Speech of Unknown Words Using Global Information
In this paper, we present a method for guessing POS tags of unknown words using local and global information. Although many existing methods use only local information (i.e. limit...
Tetsuji Nakagawa, Yuji Matsumoto