Results 21 to 30 of about 24,897 (262)

Analyse de documents avec TF-IDF

The Programming Historian en Français, 2022
Cette leçon présente une méthode de traitement automatique des langues et de recherche d’informations nommée Term Frequency - Inverse Document Frequency (tf-idf).
Matthew J. Lavin
doaj   +1 more source

Bayesian Sentiment Analytics for Emerging Trends in Unstructured Data Streams [PDF]

EAI Endorsed Transactions on Scalable Information Systems, 2019
Today the computational study of people’s opinion expressed in free form written text is called the field of sentiment analysis and opinion mining. Various research areas such as Natural Language Processing, Data Mining, Text Mining lie in field of ...
Najam Sahar, Muhammad Irshad, Muhammad Khan   +2 more
doaj   +1 more source

Comparative Evaluation of NLP-Based Approaches for Linking CAPEC Attack Patterns from CVE Vulnerability Information

Applied Sciences, 2022
Vulnerability and attack information must be collected to assess the severity of vulnerabilities and prioritize countermeasures against cyberattacks quickly and accurately.
Kenta Kanakogi, Hironori Washizaki, Yoshiaki Fukazawa, Shinpei Ogata, Takao Okubo, Takehisa Kato, Hideyuki Kanuka, Atsuo Hazeyama, Nobukazu Yoshioka   +8 more
doaj   +1 more source

Binned Term Count: An Alternative to Term Frequency for Text Categorization

Mathematics, 2022
In text categorization, a well-known problem related to document length is that larger term counts in longer documents cause classification algorithms to become biased.
Farhan Shehzad, Abdur Rehman, Kashif Javed, Khalid A. Alnowibet, Haroon A. Babri, Hafiz Tayyab Rauf   +5 more
doaj   +1 more source

Impact of Different Approaches to Preparing Notes for Analysis With Natural Language Processing on the Performance of Prediction Models in Intensive Care

Critical Care Explorations, 2021
OBJECTIVES:. To evaluate whether different approaches in note text preparation (known as preprocessing) can impact machine learning model performance in the case of mortality prediction ICU. DESIGN:.
Malini Mahendra, MD, Yanting Luo, MS, Hunter Mills, MS, Gundolf Schenk, PhD, Atul J. Butte, MD, PhD, R. Adams Dudley, MD, MBA   +5 more
doaj   +1 more source

Domain-Flux Botnet Detection Method with Fusion of Character and Word Dual-channel [PDF]

Jisuanji kexue, 2023
Domain-Flux is a technique for keeping a malicious botnet in operation by constantly changing the domain name of the botnet owner's command and control(C&C) server,which can effectively evade the detection of network security devices.Aming at the ...
LI Xiaodong, SONG Yuanfeng, LI Yuqiang
doaj   +1 more source

Detection and Recognition of Atomic Evasions Against Network Intrusion Detection/Prevention Systems

IEEE Access, 2019
Network evasions can bypass network intrusion detection/prevention systems to deliver exploits, attacks, or malware to victims without being detected. This paper presents a novel method for the detection and recognition of atomic network evasions by the ...
Jia Jingping, Chen Kehua, Chen Jia, Zhou Dengwen, Ma Wei   +4 more
doaj   +1 more source

Algoritma Term Frequency – Inverse Document Frequency (TF-IDF) dan K-Means Clustering Untuk Menentukan Kategori Dokumen [PDF]

, 2022
The development of technology is speedy; one of the results is developing documents in research articles. Searching for documents in a repository will take a long time if they are not stored grouped by document category.
Arifin, Rizal, Tsaqila, Siti Lathifah, Widaningrum, Ida, Fatmawati, Dwiyunia, Mustikasari, Dyah   +4 more
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Implementasi Vector Space Model dalam Pembangkitan Frequently Asked Questions Otomatis dan Solusi yang Relevan untuk Keluhan Pelanggan

Scientific Journal of Informatics, 2015
Salah satu keunggulan dari sebuah lembaga/unit pelayanan adalah seberapa cepat dan akurat dalam menangani keluhan pelanggan. Keluhan yang disampaikan pelanggan umumnya memiliki kesamaan dengan keluhan-keluhan sebelumnya, sehingga solusi dari keluhan baru
Abdul Aziz, Ristu Saptono, Kartika Permatasari Suryajaya   +2 more
doaj   +1 more source

Perbandingan Pembobotan Term Frequency-Inverse Document dan Term Frequency-Relevant Frequency Terhadap Fitur N-Gram pada Analisis Sentimen. [PDF]

, 2021
Analisis sentimen merupakan salah satu metode yang digunakan untuk mengekstrak sentimen dalam kalimat berdasarkan isinya. Analisis sentimen merupakan salah satu metode dalam text mining yang menggunakan proses text preprocessing yang setelahnya ...
Ramadhan, Randy
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