Translingual Information Management Stephan Busemann Language Technology Lab

Translingual Information Management Stephan Busemann Language Technology Lab German Research Center for Artificial Intelligence

LT LAB OVERVIEW n DFKI‘s Language Technology Lab has 20 researchers and software engineers from 8 countries n Language resources for German, English, French, Chinese, Japanese, Spanish, Italian, Portuguese, Dutch, Slavic Languages, . . . n Three-stage approach n Develop and maintain reusable base technologies n Configure complex systems n Adapt or extend to build application systems © 2004 DFKI Language Technology Lab

BASE TECHNOLOGIES n Preprocessing (tokenization, POS tagging, morphology) n Shallow Parsing (statistical chunk parsing, FST grammars) n Several Techniques for Categorization (machine learning) n Deep Syntactic and Semantic Analysis (efficient HPSG parsing) n Shallow and In-Depth Generation n Several Techniques for Text Summarization (e. g. query-dependent) n Text-to-Speech for German, English © 2004 DFKI Language Technology Lab

THREE LINES OF COMPLEX SYSTEMS n Natural Communication email response management, speech interpretation and production, emotion in synthesis n Multilingual Authoring Support terminology and grammar checking for controlled language, tools for annotation by metadata (and other structuring information), linguistic lookup n Information and Knowledge Management multilingual retrieval, information extraction, semantic-web infrastructure, automatic hyperlinking, open-domain question answering, report generation © 2004 DFKI Language Technology Lab

SOME PROJECTS PARA DIME TEMSIS © 2004 DFKI Language Technology Lab n Multi-lingual Extraction of Travel Warning Information n Cross-lingual Navigation n Cross-lingual Tourism Information n Multi-lingual Question Answering n Indexing of Commented Video Material (soccer games) n Multi-lingual Generation of Air Quality Reports

SAMPLE APPLICATIONS © 2004 DFKI n Deutsche Telekom question answering on tariff information n Dresdner Bank automatic hyperlinking for structuring program listings and documentation n SAP AG controlled language checking n Interprice Technologies dialogue system for e-commerce product search Language Technology Lab