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تجميع المستندات×استخلاص الكلمات المفتاحية×تكرار المصطلح - التردد العكسي لتكرار المصطلح×Thematic Analysis×
المجالتنقيب النصوصتنقيب النصوصتنقيب النصوصالبحث النوعي
العائلةProcess / pipelineProcess / pipelineProcess / pipelineProcess / pipeline
سنة النشأة19882006
صاحب الطريقةSalton & BuckleyVirginia Braun and Victoria Clarke
النوعUnsupervised text-mining taskNLP text-mining taskText vectorization / term-weighting schemeMethod
المصدر التأسيسيAggarwal, C. C. & Zhai, C. (2012). Mining Text Data. Springer. ISBN: 9781461432227Mihalcea, R. & Tarau, P. (2004). TextRank: Bringing Order into Texts. EMNLP, 404-411. link ↗Salton, G. & Buckley, C. (1988). Term-weighting approaches in automatic text retrieval. Information Processing & Management, 24(5), 513-523. DOI ↗Braun, V., & Clarke, V. (2006). Using thematic analysis in psychology. Qualitative Research in Psychology, 3(2), 77–101. DOI ↗
الأسماء البديلةtext clustering, unsupervised text grouping, Belge Kümeleme (Document Clustering)keyphrase extraction, key term extraction, Anahtar Kelime Çıkarma (Keyword Extraction)term weighting, tf-idf weighting, TF-IDF VektörizasyonuTA, Reflexive Thematic Analysis
ذات صلة4433
الملخصDocument clustering is an unsupervised text-mining task that groups documents with similar content together without using any labels. It is used to organise large collections and for exploratory analysis, drawing on the body of text-mining techniques consolidated by Aggarwal and Zhai (2012) and compared empirically by Steinbach, Karypis and Kumar (2000).Keyword extraction is a natural-language-processing task that automatically identifies the words or phrases that best represent the content of a document. It turns a body of free text into a compact, ranked list of key terms, drawing on statistical, graph-based methods such as TextRank (Mihalcea & Tarau, 2004), or embedding-based methods such as KeyBERT (Grootendorst, 2020).TF-IDF, introduced by Salton and Buckley (1988), is a term-weighting scheme that scores each word in a document by how often it appears there and how rare it is across the whole collection. It turns raw text into weighted document vectors, giving high weight to terms that are frequent in one document but uncommon elsewhere.Thematic Analysis (TA) is a qualitative research methodology for identifying, analyzing, and reporting patterns (themes) in qualitative data. Developed systematically by Virginia Braun and Victoria Clarke (2006), TA is flexible and accessible, applicable across diverse theoretical frameworks and data types, making it one of the most widely used qualitative methods in psychology, health research, and social sciences.
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ScholarGateقارن الطرق: Document Clustering · Keyword Extraction · TF-IDF · Thematic Analysis. استُرجع بتاريخ 2026-06-18 من https://scholargate.app/ar/compare