Essential dimensions of latent semantic indexing (LSI)

A Kontostathis - … Conference on System Sciences (HICSS'07), 2007 - ieeexplore.ieee.org
Latent semantic indexing (LSI) is commonly used to match queries to documents in
information retrieval applications. LSI has been shown to improve retrieval performance for …

Latent semantic analysis parameters for essay evaluation using small-scale corpora

G Jorge-Botana, JA Leon, R Olmos… - Journal of Quantitative …, 2010 - Taylor & Francis
Some previous studies (eg that carried out by Van Bruggen et al. in 2004) have pointed to a
need for additional research in order to firmly establish the usefulness of LSA (latent …

Intrinsic plagiarism detection using latent semantic indexing and stylometry

M Alsallal, R Iqbal, S Amin… - 2013 sixth international …, 2013 - ieeexplore.ieee.org
Plagiarism is growing increasingly for the last few years due to the rapid proliferation of
information through the World Wide Web (WWW). In this paper, we present an integrated …

[PDF][PDF] 潜在语义索引中特征优化技术的研究

季铎, 郑伟, 蔡东风 - 2009 - jcip.cipsc.org.cn
潜在语义索引被广泛应用于信息检索, 文本分类, 自动问答等领域中. 潜在语义索引是一种降维
方法, 它把共现特征映射到同一维空间上, 而非共现特征映射到不同的空间上 …

Research of english text classification methods based on semantic meaning

L Lv, YS Liu - 2005 international conference on information and …, 2005 - ieeexplore.ieee.org
To overcome the limitations of traditional text classification approaches based on bag-of-
words representation and to effectively incorporate linguistic knowledge and conceptual …

Adaptive word prediction and its application in an assistive communication system

T Wandmacher - 2009 - ub01.uni-tuebingen.de
This thesis investigates the capacities of adaptive methods for word prediction. We present
and evaluate several adaptation methods: First, we consider strategies enabling to adapt to …

Stability based sparse LSI/PCA: Incorporating feature selection in LSI and PCA

D Mavroeidis, M Vazirgiannis - European Conference on Machine …, 2007 - Springer
The stability of sample based algorithms is a concept commonly used for parameter tuning
and validity assessment. In this paper we focus on two well studied algorithms, LSI and PCA …

Document clustering using the LSI subspace signature model

WZ Zhu, RB Allen - Journal of the American Society for …, 2013 - Wiley Online Library
We describe the latent semantic indexing subspace signature model (LSISSM) for semantic
content representation of unstructured text. Grounded on singular value decomposition, the …

SREC: Discourse-level semantic relation extraction from text

M Zahedi, M Kahani - Neural Computing and Applications, 2013 - Springer
Semantic relation extraction is a significant topic in semantic web and natural language
processing with various important applications such as knowledge acquisition, web and text …

Latent semantic analysis based on space integration

D Cai, L Chang, D Ji - 2012 IEEE 2nd International Conference …, 2012 - ieeexplore.ieee.org
Latent Semantic Analysis (LSA) is a technology which is used to analyze the latent concepts.
LSA is based on the Vector Space Model (VSM) and statistics, and it usually takes the …