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  1. Courses
  2. Institut für Linguistik - Institute for Linguistics
  3. Computational Linguistics
  4. WiSe 2021/22

WiSe 2021/22

Klausur - Vector Semantics

  • Teacher: Rafael Ehren

Formal Languages and Automata Theory

  • Teacher: Yulia Zinova

Parsing Beyond CFG

Parsing Beyond CFG

Since the 80s, we know that natural languages are not context-free. Starting from this insight, the notion of mild context-sensitivity has been developed, which is oftentimes assumed to constitute a good characterization of the complexity of natural languages.

In this course, we will look at some mildly context-sensitive grammar formalisms, more specifically at tree-rewriting formalisms such as Tree Adjoining Grammars (TAG) and at Linear Context-Free Rewriting Systems (LCFRS). We will investigate their formal properties, learn about symbolic parsing algorithms that have been proposed for them and also give an overview of data-driven approaches to using these formalisms in the context of probabilistic parsing. Finally, we will also cover recent approaches to grammar-less transition-based parsing that aim at generating structures that are beyond the structures context-free grammars can describe.

Textbook: Laura Kallmeyer (2010): Parsing Beyond Context-Free Grammars. Springer.


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CL Programmierung I: Python

  • Teacher: David Arps
  • Teacher: Clara Boesenberg
  • Teacher: Rafael Ehren
  • Teacher: Laura Kallmeyer
  • Teacher: Jan Kels

CL Programmierung I: Python

Dieser Kurs richtet sich an Erstsemester-Studierende im Bachelorstudiengang Computerlinguistik.

Ziel des Kurses ist es, einen ersten Einblick in die Programmiersprache Python zu geben und grundlegende Fähigkeiten zur Nutzung und zum Lernen von Programmiertechniken zu vermitteln. Der Schwerpunkt liegt auf der automatischen Verarbeitung sprachlicher Daten.

Organisatorisches

Der Kurs wird mit einem Beteiligungsnachweis (BN) abgeschlossen. Um den BN zu erwerben, müssen Teilnehmende mindestens 50% der wöchentlichen Übungsaufgaben sinnvoll bearbeitet haben.

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