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Sentiment Analysis is a branch of Affective Computing usually considered a binary classification task. In this line of reasoning, Sentiment Analysis can be applied in several contexts to classify the attitude expressed in text samples, for…

Information Retrieval · Computer Science 2020-08-13 Flavio Carvalho , Gustavo Paiva Guedes

Sentiment analysis is a domain of study that focuses on identifying and classifying the ideas expressed in the form of text into positive, negative and neutral polarities. Feature selection is a crucial process in machine learning. In this…

Computation and Language · Computer Science 2020-02-04 Avinash Madasu , Sivasankar E

With the rapid growth of Text sentiment analysis, the demand for automatic classification of electronic documents has increased by leaps and bound. The paradigm of text classification or text mining has been the subject of many research…

Computation and Language · Computer Science 2018-06-19 Bijoyan Das , Sarit Chakraborty

Text classification is one of the most frequent tasks for processing textual data, facilitating among others research from large-scale datasets. Embeddings of different kinds have recently become the de facto standard as features used for…

Computation and Language · Computer Science 2020-09-03 Arkaitz Zubiaga

Despite the success of distributional semantics, composing phrases from word vectors remains an important challenge. Several methods have been tried for benchmark tasks such as sentiment classification, including word vector averaging,…

Computation and Language · Computer Science 2015-12-14 Pranjal Singh , Amitabha Mukerjee

Term weighting schemes often dominate the performance of many classifiers, such as kNN, centroid-based classifier and SVMs. The widely used term weighting scheme in text categorization, i.e., tf.idf, is originated from information retrieval…

Machine Learning · Computer Science 2012-06-07 Deqing Wang , Hui Zhang

In the digital era, the exponential growth of scientific publications has made it increasingly difficult for researchers to efficiently identify and access relevant work. This paper presents an automated framework for research article…

Information Retrieval · Computer Science 2025-10-08 Shadikur Rahman , Hasibul Karim Shanto , Umme Ayman Koana , Syed Muhammad Danish

Text Categorization is traditionally done by using the term frequency and inverse document frequency.This type of method is not very good because, some words which are not so important may appear in the document .The term frequency of…

Information Retrieval · Computer Science 2016-11-25 Srikanth Bethu , G Charless Babu , J Vinoda , E Priyadarshini , M Raghavendra rao

Text classification, as the task consisting in assigning categories to textual instances, is a very common task in information science. Methods learning distributed representations of words, such as word embeddings, have become popular in…

Computation and Language · Computer Science 2020-12-15 Arkaitz Zubiaga

Keyword extraction has received an increasing attention as an important research topic which can lead to have advancements in diverse applications such as document context categorization, text indexing and document classification. In this…

Information Retrieval · Computer Science 2021-01-27 Amir Jalilifard , Vinicius F. Caridá , Alex F. Mansano , Rogers S. Cristo , Felipe Penhorate C. da Fonseca

We propose a sentiment classification method with a general machine learning framework. For feature representation, n-gram IDF is used to extract software-engineering-related, dataset-specific, positive, neutral, and negative n-gram…

Information Retrieval · Computer Science 2019-05-28 Rungroj Maipradit , Hideaki Hata , Kenichi Matsumoto

Sentiment Analysis refers to the study of systematically extracting the meaning of subjective text . When analysing sentiments from the subjective text using Machine Learning techniques,feature extraction becomes a significant part. We…

Computation and Language · Computer Science 2019-06-05 Avinash Madasu , Sivasankar E

We provide a simple but novel supervised weighting scheme for adjusting term frequency in tf-idf for sentiment analysis and text classification. We compare our method to baseline weighting schemes and find that it outperforms them on…

Computation and Language · Computer Science 2014-07-01 Yoon Kim , Owen Zhang

Sentence representation at the semantic level is a challenging task for Natural Language Processing and Artificial Intelligence. Despite the advances in word embeddings (i.e. word vector representations), capturing sentence meaning is an…

Information retrieval systems retrieves relevant documents based on a query submitted by the user. The documents are initially indexed and the words in the documents are assigned weights using a weighting technique called TFIDF which is the…

Information Retrieval · Computer Science 2023-07-13 Kamel Assaf

The task of determining the similarity of text documents has received considerable attention in many areas such as Information Retrieval, Text Mining, Natural Language Processing (NLP) and Computational Linguistics. Transferring data to…

Information Retrieval · Computer Science 2022-11-23 Bakhyt Bakiyev

Over the last few years, Text classification is one of the fundamental tasks in natural language processing (NLP) in which the objective is to categorize text documents into one of the predefined classes. The news is full of our life.…

Computation and Language · Computer Science 2022-01-26 Ke Yahan , Ruyi Qu , Lu Xiaoxia

Despite the success of deep learning on many fronts especially image and speech, its application in text classification often is still not as good as a simple linear SVM on n-gram TF-IDF representation especially for smaller datasets. Deep…

Computation and Language · Computer Science 2017-05-31 Zhenzhou Wu , Xin Zheng , Daniel Dahlmeier

Text classification is a task of automatic classification of text into one of the predefined categories. The problem of text classification has been widely studied in different communities like natural language processing, data mining and…

Computation and Language · Computer Science 2014-06-24 Reshma Prasad , Mary Priya Sebastian

The massive collection of user posts across social media platforms is primarily untapped for artificial intelligence (AI) use cases based on the sheer volume and velocity of textual data. Natural language processing (NLP) is a subfield of…

Computation and Language · Computer Science 2023-07-07 Alexandrea K. Ramnarine
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