Interfacing Virtual Agents With Collaborative Knowledge: Open Domain Question Answering Using Wikipedia-based Topic Models
Abstract: This paper is concerned with the use of conversational agents as an interaction paradigm for accessing open domain encyclopedic knowledge by means of Wikipedia. More precisely, we describe a dialog-based question answering system for German which utilizes Wikipedia-based topic…
Harvesting Wikipedia Knowledge to Identify Topics in Ongoing Natural Language Dialogs
Title: Harvesting Wikipedia Knowledge to Identify Topics in Ongoing Natural Language Dialogs Authors: Breuing A, Waltinger U, Wachsmuth I Pub/Conf: IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT 2011). IEEE: 445–450. 2011 Abstract: This paper introduces a…
Building a DDC-annotated Corpus from OAI Metadata
Title: Building a DDC-annotated Corpus from OAI Metadata Authors: Mathias Lösch, Ulli Waltinger, Wolfram Horstmann, Alexander Mehler Pub/Conf: Journal of Digital Information 12(2) Abstract: Document servers complying to the standards of the Open Archives Initiative (OAI) are rich, yet seldom…
Building a DDC-annotated Corpus from OAI Metadata
Title: Building a DDC-annotated Corpus from OAI Metadata Authors: Mathias Lösch, Ulli Waltinger, Wolfram Horstmann, Alexander Mehler Pub/Conf: Journal of Digital Information 12(2). Abstract: Document servers complying to the standards of the Open Archives Initiative (OAI) are rich, yet seldom exploited…
Hierarchical Classification of OAI Metadata Using the DDC Taxonomy
Title: Hierarchical Classification of OAI Metadata Using the DDC Taxonomy Authors: Ulli Waltinger, Alexander Mehler, Mathias Lösch, Wolfram Horstmann Pub/Conf: Advanced Language Technologies for Digital Libraries, Lecture Notes in Computer Science Volume 6699, 2011, pp 29-40 Abstract: In the area…
Talking Topically to the Artificial Agent Max
Title: Talking Topically to the Artificial Agent Max Authors: Breuing A, Waltinger U, Wachsmuth I Pub/Conf: Postersession at the Interdisciplinary College. Sankt Augustin, Germany: 488. 2011 Abstract: How do we recognize a topic in dialog? How can we detect topic shifts?…
SFB 673 – X1: Multimodal alignment corpora: statistical modeling and information management
SFB 673 – Alignment in Communication Summary X1 – Multimodal alignment corpora: statistical modeling and information management. Project: X1: Multimodal alignment corpora: statistical modeling and information management Supervisor(s): Alexander Mehler, Hannes Rieser, Hans-Jürgen Eikmeyer Co-Member(s): Rüdiger Gleim, Peter Menke Affiliated:…
GermanPolarityClues: A Lexical Resource for German Sentiment Analysis
Title: GermanPolarityClues: A Lexical Resource for German Sentiment Analysis Authors: Ulli Waltinger Pub/Conf: International Conference on Language Resources and Evaluation, LREC 2010, 17-23 May 2010 Abstract: In this paper, we propose GermanPolarityClues, a new publicly available lexical resource for sentiment analysis…
Sentiment Analysis Reloaded: A Comparative Study On Sentiment Polarity Identification Combining Machine Learning And Subjectivity Features
Title: Sentiment Analysis Reloaded: A Comparative Study On Sentiment Polarity Identification Combining Machine Learning And Subjectivity Features Authors: Ulli Waltinger Pub/Conf: Web Information Systems and Technologies – 6th International Conference, WEBIST 2010, Valencia, Spain, April 7-10, 2010 Abstract: In recent years…
