USI Answers: Natural Language Question Answering Over (Semi-) Structured Industry Data
Abstract: The paper reports on the progress towards the goal of offering easy access to enterprise data to a large number of business users, most of whom are not familiar with the specific syntax or semantics of the underlying data…
Market Intelligence: Linked Data-driven Entity Resolution for Customer and Competitor Analysis
Abstract: In this paper, we present a linked data-driven method for named entity recognition and disambiguation which is applied within an industry customer and competitor analysis application. The proposed algorithm primarily targets the domain of geoparsing and geocoding, but it…
Connecting Question Answering and Conversational Agents: Contextualizing German Questions for Interactive Question Answering Systems
Abstract: Research results in the field of Question Answering (QA) have shown that the classification of natural language questions significantly contributes to the accuracy of the generated answers. In this paper we present an approach which extends the prevalent question…
Knowledge Enhanced Embodied Cognitive Interaction Technology (KnowCIT)
CITEC – Cognitive Interaction Technology – Center of Excellence Summary The project has built a technology which enables artificial agents to explore “crowdsourced” knowledge resources generated by large communities of web users. Project: Knowledge Enhanced Embodied Cognitive Interaction Technology Supervisor(s): Ipke…
German Polarity Clues
A Lexical Resource for German Sentiment Analysis: Feel free to use/download the GermanPolarityClues dictionary A new publicly available lexical resource for sentiment analysis for the German language The resource offers a number of 10.141 polarity features, associated to three numerical…
WikiQA – Question Answering
WikiQA is a German open domain question answering system that uses the Wikipedia as a knowledge base to answer natural language questions. It has been developed by the KnowCIT project (Artificial Intelligence Group) within the CITEC at Bielefeld University. Using…
Deciphering the Communicative Code in Speech and Gesture Dialogues by Autoencoding Hypernetworks
Title: Deciphering the Communicative Code in Speech and Gesture Dialogues by Autoencoding Hypernetworks Authors: N. – S. Nam, K. Bergmann, U. Waltinger, S. Kopp, I. Wachsmuth, B. – T. Zhang Pub/Conf: Embodied & Situated Language Processing – ESLP 2011 Abstract: What…
An Empirical Study on Machine Learning-Based Sentiment Classification Using Polarity Clues
Title: An Empirical Study on Machine Learning-Based Sentiment Classification Using Polarity Clues Authors: Ulli Waltinger Pub/Conf: Web Information Systems and Technologies Lecture Notes in Business Information Processing Volume 75, 2011, pp 202-214 Abstract: In recent years a variety of approaches…
Digital Fruits For Lunch: Feeding Embodied Conversational Agents With Wikipedia Knowledge
Title: Digital Fruits For Lunch: Feeding Embodied Conversational Agents With Wikipedia Knowledge Authors: Ulli Waltinger, Alexa Breuing, Ipke Wachsmuth Pub/Conf: KI – Künstliche Intelligenz, November 2012, Volume 26, Issue 4, pp 381-390 Abstract: Recent advances in Artificial Intelligence and Natural…
