392109 Sentiment Analysis and Opinion Mining (S) (SoSe 2013)
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Sentiment Analysis and Opinion Mining (Seminar), Dr. Roman Klinger
Diese Veranstaltung ist dem Modul "Statistical Natural Language Processing" und "Individuelle Ergaenzung" mit 5 LP zugeordnet.
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Stimmungsanalyse und Meinungsanalyse in Texten (Sentiment analysis und opinion mining) adressieren das Problem, Texte (Tweets, Produktrezensionen etc.) als positiv oder negativ zu klassifizieren und das jeweilige Objekt der Meinungsaeusserung (ein Aspekt u.ae.) zu erkennen. Woerterbuchbasierte Verfahren sowie maschinelle Lernverfahren, ueberwacht und ueberwacht, sind hierbei ueblich. Wir diskutieren verschiedene Ansaetze Text zu klassifizieren, relevante Passagen zu extrahieren sowie den Umgang mit Negationen, verschiedenen Domaenen, Ironie und verschiedene Anwendungen. Jeder Studierende wird ein Thema auswaehlen welches mit einer oder mehreren Veroeffentlichungen korrespondiert. Hierzu wird ein Vortrag gehalten sowie aus Ausarbeitung geschrieben. Als Vortragssprache kann Englisch oder Deutsch gewaehlt werden.
Sentiment analysis and opinion mining are approaching the task of classifying text into being positive or negative about e.g. a topic, aspect, product, or person. Dictionary-based methods as well as machine learning methods, both supervised or unsupervised, are common. We will discuss different approaches to classify text from different sources and domains, how to extract relevant passages, how to deal with negation, domains, irony, and other attributes of an opinionated expression and what possible applications are. Psychological background may be discussed in addition. Each student is assigned a topic, roughly corresponding with a publication, about which a talk will be given and a paper is written.
The language of the presentations and papers to be written can be English or German.
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| Frequency | Weekday | Time | Format / Place | Period |
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Subject assignments
| Module | Course | Requirements | |
|---|---|---|---|
| 39-Inf-SNLP Statistical Natural Language Processing | (Project-) Seminar Statistical Natural Language Processing | Student information | |
| - | Graded examination | Student information |
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| Degree programme/academic programme | Validity | Variant | Subdivision | Status | Semester | LP | |
|---|---|---|---|---|---|---|---|
| Bioinformatik und Genomforschung / Master | (Enrollment until SoSe 2012) | Individueller Ergänzungsb | Wahl | 4. | 5 | unbenotet | |
| Intelligente Systeme / Master | (Enrollment until SoSe 2012) | Wahl | 4. | 5 | unbenotet | ||
| Kognitive Informatik / Bachelor | (Enrollment until SoSe 2011) | Individueller Ergänzungsb | Wahl | 6. | 5 | unbenotet | |
| Molekulare Biotechnologie / Master | (Enrollment until SoSe 2012) | Individuelle Ergänzung | Wahl | 6. | 5 | unbenotet | |
| Naturwissenschaftliche Informatik / Bachelor | (Enrollment until SoSe 2011) | Individueller Ergänzungsbereic | Wahl | 6. | 5 | unbenotet |
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