Results 11 to 20 of about 24,248 (246)

A Comparison of Search Term Weighting: Term Relevance vs. Inverse Document Frequency [PDF]

open access: yes, 1981
The term relevance weighting method has been shown to produce optimal information retrieval queries under well-defined conditions. The parameters needed to generate the term relevance factors cannot unfortunately be estimated accurately in practice ...
Salton, Gerard, Wu, Harry
core   +6 more sources

Probabilistic retrieval models - relationships, context-specific application, selection and implementation [PDF]

open access: yes, 2011
PhDRetrieval models are the core components of information retrieval systems, which guide the document and query representations, as well as the document ranking schemes.
Wang, Jun
core   +4 more sources

Document retrieval using term frequency inverse sentence frequency weighting scheme

open access: yes, 2023
The need for an efficient method to find the furthermost appropriate document corresponding to a particular search query has become crucial due to the exponential development in the number of papers that are now readily available to us on the web.
Mohannad T. Mohammed   +3 more
core   +1 more source

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

open access: yesApplied 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   +8 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

open access: yesCritical 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   +5 more
doaj   +1 more source

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

open access: yesMathematics, 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   +5 more
doaj   +1 more source

Sentiment Analysis for Detecting Cyberbullying Using TF-IDF and SVM

open access: yesJurnal RESTI (Rekayasa Sistem dan Teknologi Informasi), 2020
Social media has become a new method of today’s communication in a new digitalize era. Children and adults have used social media a lot in interacting with others. Therefore social media has shifted conventional communication into digital one.
Wahyu Adi Prabowo, Fitriani Azizah
doaj   +1 more source

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

open access: yesIEEE 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   +4 more
doaj   +1 more source

Detecting Emotion in Indonesian Tweets: A Term-Weighting Scheme Study

open access: yesJournal of Information Systems Engineering and Business Intelligence, 2022
Background: Term-weighting plays a key role in detecting emotion in texts. Studies in term-weighting schemes aim to improve short text classification by distinguishing terms accurately.
Kuncahyo Setyo Nugroho   +2 more
doaj   +1 more source

Research on the Changing Trend of Employment-Relevant Terms Based on Internet Big Data Analysis [PDF]

open access: yesE3S Web of Conferences, 2021
With publicly-available data collected from mainstream information platforms, this study used the term frequency inverse document frequency (TF-IDF) algorithm to detect 74 popular terms and phrases about employment, analyzed the changes in the ranking of
Wei Yang
doaj   +1 more source

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