Results 21 to 30 of about 1,836 (199)

Extraction of Chinese Text Summarization Based on Improved TextRank Algorithm [PDF]

open access: yesJisuanji gongcheng, 2019
This paper proposes a Chinese text summarization extraction algorithm,called DK-TextRank,combines Doc2Vec model,K-means and TextRank algorithm for Chinese texts to improve summarization accuracy.After using the Doc2Vec model for text vectorization,the DK-
XU Xintao,CHAI Xiaoli,XIE Bin,SHEN Chen,WANG Jingping
doaj   +1 more source

User Representation Learning for Social Networks: An Empirical Study

open access: yesApplied Sciences, 2021
Gathering useful insights from social media data has gained great interest over the recent years. User representation can be a key task in mining publicly available user-generated rich content offered by the social media platforms.
Ibrahim Riza Hallac   +2 more
doaj   +1 more source

An Approximate Model for Event Detection From Twitter Data

open access: yesIEEE Access, 2020
The abundance and real-time availability of Twitter data have proved beneficial in detecting events in various domains such as emergency situations, crime detection, public health, place recommendations, etc.
Aarzoo Dhiman, Durga Toshniwal
doaj   +1 more source

Transforming Data with Ontology and Word Embedding for an Efficient Classification Framework

open access: yesEAI Endorsed Transactions on Industrial Networks and Intelligent Systems, 2023
Transforming data into appropriate formats is crucial because it can speed up the training process and enhance the performance of classification algorithms.
Thi Thanh Sang Nguyen   +3 more
doaj   +1 more source

Representação vetorial de textos: DOC2VEC

open access: yes, 2023
O objetivo principal deste trabalho é apresentar o algoritmo não supervisionado para representação vetorial de documentos, Doc2vec, o qual consiste em associar cada texto a um vetor numérico considerando seu contexto no corpus. Doc2Vec ´e uma extensão
Valenotti, Gabriel Gonzalo Ledesma
core   +1 more source

An Efficient and Dynamic Semantic-Aware Multikeyword Ranked Search Scheme Over Encrypted Cloud Data

open access: yesIEEE Access, 2019
Traditional searchable encryption schemes adopting the bag-of-words model occupy massive space to store the document set's index, where the dimension of the document vector is equal to the scale of the dictionary.
Xuelong Dai   +4 more
doaj   +1 more source

Multi-Criteria Recommendation Systems to Foster Online Grocery

open access: yesSensors, 2021
With the exponential increase in information, it has become imperative to design mechanisms that allow users to access what matters to them as quickly as possible. The recommendation system (RS) with information technology development is the solution, it
Manar Mohamed Hafez   +3 more
doaj   +1 more source

Efficiency of SVM classifier with Word2Vec and Doc2Vec models [PDF]

open access: yesProceedings of the International Conference on Applied Statistics, 2019
Abstract Support Vector Machine model is one of the most intensive used text data classifiers ever since the moment of its development. However, its performance depends not only on its features but also on data preprocessing and model tuning.
openaire   +1 more source

Example of document similarity matrix using Doc2Vec.

open access: yes, 2020
Example of document similarity matrix using Doc2Vec.
Inchae Park (8407338)   +2 more
core   +1 more source

Deep Learning Models for Analyzing Social Construction of Knowledge Online

open access: yesOnline Learning, 2023
Gunawardena et al.’s (1997) Interaction Analysis Model (IAM) is one of the most frequently employed frameworks to guide the qualitative analysis of social construction of knowledge online.
Charlotte N. Gunawardena   +3 more
doaj   +1 more source

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