Concept-based information retrieval using explicit semantic analysis

O Egozi, S Markovitch, E Gabrilovich - ACM Transactions on Information …, 2011 - dl.acm.org
Information retrieval systems traditionally rely on textual keywords to index and retrieve
documents. Keyword-based retrieval may return inaccurate and incomplete results when …

Semantic association computation: a comprehensive survey

S Jabeen, X Gao, P Andreae - Artificial Intelligence Review, 2020 - Springer
Semantic association computation is the process of quantifying the strength of a semantic
connection between two textual units, based on different types of semantic relations …

Exploiting Wikipedia for cross-lingual and multilingual information retrieval

P Sorg, P Cimiano - Data & Knowledge Engineering, 2012 - Elsevier
In this article we show how Wikipedia as a multilingual knowledge resource can be
exploited for Cross-Language and Multilingual Information Retrieval (CLIR/MLIR). We …

Cpdga: Change point driven growing auto-encoder for lifelong anomaly detection

R Corizzo, M Baron, N Japkowicz - Knowledge-Based Systems, 2022 - Elsevier
Lifelong learning addresses the challenge of acquiring new knowledge and tackling new
tasks in a continually evolving environment. Although this thread of research has recently …

Improving pointwise mutual information (pmi) by incorporating significant co-occurrence

OP Damani - arXiv preprint arXiv:1307.0596, 2013 - arxiv.org
We design a new co-occurrence based word association measure by incorporating the
concept of significant cooccurrence in the popular word association measure Pointwise …

Lexical co-occurrence, statistical significance, and word association

D Chaudhari, OP Damani, S Laxman - arXiv preprint arXiv:1008.5287, 2010 - arxiv.org
Lexical co-occurrence is an important cue for detecting word associations. We present a
theoretical framework for discovering statistically significant lexical co-occurrences from a …

Reducing explicit semantic representation vectors using Latent Dirichlet Allocation

A Saif, MJ Ab Aziz, N Omar - Knowledge-Based Systems, 2016 - Elsevier
Abstract Explicit Semantic Analysis (ESA) is a knowledge-based method which builds the
semantic representation of the words depending on the textual description of the concepts in …

Semantic concept model using Wikipedia semantic features

A Saif, N Omar, MJ Ab Aziz… - Journal of …, 2018 - journals.sagepub.com
Wikipedia has become a high coverage knowledge source which has been used in many
research areas such as natural language processing, text mining and information retrieval …

[PDF][PDF] A novel approach for computing semantic relatedness of geographic terms

MN Soleimandarabi… - Indian Journal …, 2015 - sciresol.s3.us-east-2.amazonaws …
Background: Computing semantic relatedness measures are extensively employed in the
field of Natural Language Processing (NLP) and play pivotal role in Geographic Information …

Concept-based approach to word-sense disambiguation

A Raviv, S Markovitch - Proceedings of the AAAI Conference on …, 2012 - ojs.aaai.org
The task of automatically determining the correct sense of a polysemous word has remained
a challenge to this day. In our research, we introduce Concept-Based Disambiguation …