Dr. Ulli Waltinger
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Applied Artificial Intelligence & Machine Learning Research
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Sentiment Analysis Reloaded: A Comparative Study On Sentiment Polarity Identification Combining Machine Learning And Subjectivity Features

Sentiment Analysis Reloaded: A Comparative Study On Sentiment Polarity Identification Combining Machine Learning And Subjectivity Features

22. April 2010 · by Ulli Waltinger · in Project, Publications

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…

eHumanities Desktop. Eine webbasierte Arbeitsumgebung für die geisteswissenschaftliche Fachinformatik

eHumanities Desktop. Eine webbasierte Arbeitsumgebung für die geisteswissenschaftliche Fachinformatik

21. November 2009 · by Ulli Waltinger · in Project, Publications

Title: eHumanities Desktop. Eine webbasierte Arbeitsumgebung für die geisteswissenschaftliche Fachinformatik Authors:  Mehler, Alexander; Gleim, R. ; Waltinger, Ulli; Ernst, Alexandra; Esch, Dietmar; Feith, Tobias Pub/Conf:  Symposium „Sprachtechnologie und eHumanities“ 2009 Abstract: In diesem Beitrag beschreiben wir den eHumanities Desktop. Es…

Social Semantics And Its Evaluation By Means of Closed Topic Models: An SVM-Classification Approach Using Semantic Feature Replacement By Topic Generalization

Social Semantics And Its Evaluation By Means of Closed Topic Models: An SVM-Classification Approach Using Semantic Feature Replacement By Topic Generalization

22. Oktober 2009 · by Ulli Waltinger · in Project, Publications

Title: Social Semantics And Its Evaluation By Means of Closed Topic Models: An SVM-Classification Approach Using Semantic Feature Replacement By Topic Generalization Authors: Ulli Waltinger, Alexander Mehler, and Rüdiger Gleim Pub/Conf:  GSCL-Conference 2009 Abstract: Text categorization is a fundamental part in…

eHumanities Desktop - An extensible Online System for Corpus Management and Analysis

eHumanities Desktop – An extensible Online System for Corpus Management and Analysis

21. Oktober 2009 · by Ulli Waltinger · in Project, Publications

Title: eHumanities Desktop – An extensible Online System for Corpus Management and AnalysisAuthors:  Gleim Rüdiger, Waltinger Ulli, Mehler Alexander, Menke PeterPub/Conf:  Corpus Linguistics 2009 Abstract:This paper presents the eHumanities Desktop – an online system for corpus management and analysis in support…

Social Semantics and Its Evaluation by Means of Semantic Relatedness and Open Topic Models

Social Semantics and Its Evaluation by Means of Semantic Relatedness and Open Topic Models

15. September 2009 · by Ulli Waltinger · in Project, Publications

Title: Social Semantics and Its Evaluation by Means of Semantic Relatedness and Open Topic ModelsAuthors: Ulli Waltinger and Alexander MehlerPub/Conf:  IEEE/WIC/ACM International Joint Conferences on Web Intelligence and Intelligent Agent Technologies, 2009. WI-IAT ’09. Abstract:This paper presents an approach using social semantics…

Polarity Reinforcement: Sentiment Polarity Identification By Means Of Social Semantics

Polarity Reinforcement: Sentiment Polarity Identification By Means Of Social Semantics

22. Juli 2009 · by Ulli Waltinger · in Project, Publications

Title: Polarity Reinforcement: Sentiment Polarity Identification By Means Of Social SemanticsAuthors: Ulli WaltingerPub/Conf:  IEEE Africon 2009 Abstract:We propose a combination of machine learning and socially constructed concepts for the task of sentiment polarity identification. Detecting words with polarity is difficult…

From Social Networks To Distributional Properties: A Comparative Study On Computing Semantic Relatedness

From Social Networks To Distributional Properties: A Comparative Study On Computing Semantic Relatedness

21. Juli 2009 · by Ulli Waltinger · in Project, Publications

Title: From Social Networks To Distributional Properties: A Comparative Study On Computing Semantic Relatedness Authors:  Ulli Waltinger, Irene Cramer and  Tonio Wandmacher Pub/Conf:  31th Annual Conference of the Cognitive Science Society. Taatgen NA, Rijn van H (Eds); Austin, TX: Cognitive Science…

A Two-level Approach to Web Genre Classification

A Two-level Approach to Web Genre Classification

21. Mai 2009 · by Ulli Waltinger · in Project, Publications

Title: A Two-level Approach to Web Genre Classification Authors:  Ulli Waltinger and  Alexander Mehler and  Armin Wegner Pub/Conf:  Fifth International Conference on Web Information Systems and Technologies, Lisbon, Portugal, March 23-26, 2009 Abstract: This paper presents an approach of two-level…

Enhancing document modeling by means of open topic models: Crossing the frontier of classification schemes in digital libraries by example of the DDC

Enhancing document modeling by means of open topic models: Crossing the frontier of classification schemes in digital libraries by example of the DDC

21. Mai 2009 · by Ulli Waltinger · in Publications

Title: Enhancing document modeling by means of open topic models: Crossing the frontier of classification schemes in digital libraries by example of the DDC Authors: Alexander Mehler and Ulli Waltinger Pub/Conf:  Library Hi Tech 27(4): 520–539. Abstract: The purpose of…

The Feature Difference Coefficient: Classification by Means of Feature Distributions

The Feature Difference Coefficient: Classification by Means of Feature Distributions

21. März 2009 · by Ulli Waltinger · in Publications

Title: The Feature Difference Coefficient: Classification by Means of Feature Distributions Authors:  Ulli Waltinger and  Alexander Mehler Pub/Conf:  Text Mining Services (TMS), March 23-25, Leipzig, 2009 Abstract: This paper presents a model of text classification using feature frequency distribution. The proposed…

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Ulli Waltinger
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@ulliwaltinger

About

Ulli Waltinger is the Head of the Research Group Machine Intelligence and Technology Head of the Siemens Artificial Intelligence Lab at Siemens Corporate Technology (Siemens AI Lab), Siemens’ global research organization. Prior he worked at the Artificial Intelligence Group and the Center of Excellence of Cognitive Interaction Technology at the University of Bielefeld. He is curious about the foundations of computational intelligence, specifically methodologies that bridge the areas of connectionist and symbolic learning applied to real-world AI and NLP applications. He is passioned about enabling an open and interdisciplinary research and innovation culture with meaningful impact to people`s life. Ulli contributes with >40 publications and >100 talks to the fields of computer science, artificial intelligence, computational linguistics, and cognitive science.

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AI Artificial Intelligence Deep Learning Digital Libraries Industrial AI Information Retrieval Knowledge Graph Künstliche Intelligenz Machine Intelligence Machine Learning Natural Language Processing Question Answering ResponsibleAI Responsible AI Siemens AI SiemensAI Siemens AI Lab Siemens Artificial Intelligence Social Semantics statistical modeling Sustainability Symbolic Learning

Neueste Beiträge

  • Podcast: HUMAN & AI – Mind, machines and the gradient descent, Siemens AI Lab Podcast 23. Juni 2020
  • Hackathon: Artificial Intelligence for Sustainability Hackathon, Munich, Germany, 24th June 2020 1. Juni 2020
  • Podcast: Talking Digital Industries: AI in industry – Chance or Risk, 14th May 2020 14. Mai 2020
  • Podcast: Building Trust in Artificial Intelligence; Event: Siemens Infrastructure – Buildings of Tomorrow, Zug, Swiss, 8th of April 2020 8. April 2020
  • Mentor: WirVsVirus Hackathon, OnlineFestival, 22th March 2020 22. März 2020

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