Dr. Alexander Löser

Technische Universität Berlin
DIMA Group, Sekr. EN7

Einsteinufer 17
10587 Berlin, Germany

Email: Alexander.Loeser –NOSPAM – at TU-Berlin.de
Tel.: 0049  30 314 23551
XING Page

LinkedIn Page

News     Research   Systems    Publications     Services    Funding     Awards    Patents    Students     Teaching     Misc   CV     

News/Blog!

·        11/2009 Keynote accepted: Informatiktage (GI), Bonn 2010 (Invited talk, Topic tba)

·        07/2009 Tutorial: DIA „Cloud Computing: Technologien, Anwendungen und Geschäftsmodelle“ (in German on 27/28.4. 2010)

·        07/2009 Keynote accepted: “Beyond Search: Web Scale Business Analytics”. WISE 2009. (Presentation)

·        07/2009 Paper accepted: “Ad-hoc Queries over Document Collections – a Case Study” by A.Löser, S.Lutter, P. Düssel and V. Markl. BIRTE@VLDB 2009

·        06/2009 Paper accepted: “Near-Duplicate Detection for Web-Forums” by K. Muthmann, A. Löser, W. Barczynski, F. Brauer for IDEAS’09

·        06/2009 Book Chapter accepted: “Handbook of Peer-to-Peer Computing”. Springer 2010

·        05/2009 Paper accepted: W. Barczynski, F. Brauer, A. Löser, A. Mocan: Algebraic Information Extraction of Enterprise Data: Methodology and Operators.
              Identity and Reference in Web-based Knowledge Representation (IR-KR 2009), July 2009, Pasadena, USA

·        03/2009 Presentation: Near Duplicate Detection in Forums presented at “GI-Studierendenwettbewerb/InformatikTage 2009” by Klemens Muthmann

·        03/2009 Presentation: GOOLAP Project presented at “GI-Studierendenwettbewerb/InformatikTage 2009” by Ralf Heyde and Steffen Lutter

·        02/2009 Tutorial: BTW 2009 Tutorial “Ad-Hoc Analytics of Unstructured Web 2.0 Data”

·        01/2009 Presentation: “Fast Ad-hoc Reporting over Text Data” given “at HU-Berlin and FU Berlin

Research

My research interests are

 

·         Large-scale Information Extraction

·         Cloud Computing and its application to Information Extraction

·         Search Engines and Business Intelligence Systems

 

 

Systems and Projects

     For an overview see “Beyond Search: Web Scale Business Analytics”  (Keynote at WISE 2009).

 

     Current:

 

 

Ad-hoc Reporting over
Web-based Document Collections

 

Executing SQL-like queries over ad-hoc crawled and extracted web pages [BIRTE 2008, BIRTE 2009]

 

 

GOOLAP.info

 

 

An Entity-centric Search Engine

 

 

Large Scale European Project  “OKKAM”
(with SAP AG)

 

 

Duplicate Detection in Question Answering Forums for more than 1 Million SAP SDN customers
[PIKM 2008, ICDIM2008, IRSW2008, IDEAS2009]

 

 

     Finished:

 

 

IBM Avatar Project

 

 

Intranet and Email Search at Enterprise Scale [WWW2007]

 

 

Large Scale European Project “Edutella“

 

 

Semantics & Peer-to-Peer Networks [IDEAS2004, JWS2004, CAISE2003, WWW2003, DBISP2P2003]

 

Large Scale European Project “SWAP

 

 

Social network analysis in Peer-to-Peer networks  [JSAC2007, ISWC2005, ODBASE2005]

 

Selected Publications (see also DBLP)

·         Situational Business Intelligence
Alexander Löser, Fabian Hueske, Volker Markl,. BIRTE with VLDB 2008

·         Mapping Enterprise Entities to Text Segments
Falk Brauer, Alexander Löser, Hong-Hai Do. PIKM Workshop at CIKM 2008

·         Robust recognition of complex entities in text exploiting enterprise data
Falk Brauer, Marcus Schramm, Wojciech Barczynski, Alexander Löser, Hong-Hai Do. 3. IEEE International Conference on Digital Information (ICDIM) 2008

·         Web 2.0 Business Analytics
Alexander Löser, Gregor Hackenbroich, Hong-Hai Do, Henrike Berthold. Datenbank Spektrum, 25/2008

·         Navigating the intranet with high precision
Alexander Löser, Sriram Raghavan, Shivakumar Vaithyanathan, Huaiyu Zhu. 16th International World Wide Web Conference (WWW’07)

·         Semantic Social Overlay Networks
Alexander Löser, Steffen Staab, Christoph Tempich. IEEE Journal on Selected Areas in Communications: Special Issue  Peer-to-Peer Communications and Applications 2007

  

Services

     Editor

·        International Journal of Semantic Web and Information Systems:  Special Issue on New Avenues in Search 2010
(together with Gottfried Vossen and Darrell D.E. Long)

 

     PC Member

·        VLDB Journal

·        International Conference on Business Information Systems (BIS) 2010

·        WebDB 2010

·        World Wide Web Conference (WWW) 2010

·        Asia Pacific Web Conference (APWEB) 2010

·        Information Systems Journal (published by Elsevier)  2009

·        International Semantic Web Conference (ISWC) 2009, 2008, 2007

·        European Semantic Web Conference (ESWC) 2010, 2009, 2008, 2007, 2006

·        ODBASE 2009, 2008, 2007

·        Asian Semantic Web Conference 2008

·        IEEE GlobeCom 2007

·        AAAI 2006 Fall Symposium on Semantic Web for Collaborative Knowledge Acquisition

·        IEEE Journal JSAC: Special issue on P2P Communications and Applications 2007

·        SIGMOD RECORD 2003/Vol 32, No 3, Special Section on Peer to Peer Data Management  2003

 

Other

·        Advisor for International Doctoral School Department of Information and Communication Technology,  University of Trento

·        Member of ACM

·        Member of the German Scholars Organization (GSO)

Funding

·        OKKAM FP 7 integrated project (Acquired funding while working for SAP AG) started 01.01.2008

·         BMBF Lighthouse project Aletheia (Acquired funding while working for SAP AG) started 01.03.2008

Teaching

·        Lecture Data Warehouse Systems and Business Intelligence  WS 2009/2010

·        Database Project and Project Seminar WS 2009/2010: GOOLAP V2

·        Master Project and Project Seminar SS 2009: GOOLAP ELECTIONS 2009: Blog Analysis with Respect to German Elections 2009

·        Master and Project Seminar WS 2008/2009: GOOLAP: News Analysis and Information Extraction

·        Invited Lecture “Unstructured Information Management for Enterprise Data”, HPI Postdam 2007

Students

    Collaborations with PhD Students:

·        Current : Wojciech Barczynski (SAP AG), Falk Brauer (SAP AG), Klemens Muthmann (TU Dresden)

·        Past      : Dr. Karen Walzer

 

     Supervisor for Master Students:

·        Current : Steffen Lutter, Ralf Heyde, Ronny Schwierzinsky

·        Past      : Bastian Quilitz, Kai Schubert Altmann, Frederick Zimmer, Stefan Deumlich, Marcus Schramm, Klemens Muthmann

Patents /Under Submission (see also Alexander Loeser or Alexander Stephan Loeser at faqs.org)

·        Alexander Löser, Wojtiech Barzcyinski, Falk Brauer: Systems and methods for modular information extraction.

·        Huiyu Zhu, Alexander Löser, Sriram Raghavan and Shiv. Vaithyanathan: Searching navigational pages in an intranet.

·        Alexander Löser, Sriram Raghavan, Shivakumar Vaithyanathan: Method and system for automatically generating regular expressions for relaxed matching of text patterns.

Awards

·        Honourable mention in Computer World Horizon Award 2006 for the Avatar Semantic Search System

·        Fellow ship granted for  DFG graduate school on distributed information systems in Berlin, GRK Grant 316/3

·        Special Award of Multimedia Transfer 2000 Karlsruhe for Virtual Design

Misc

·        Stefanie Denz, Alexander Löser, Vom Westen ergriffen, In DOTCOPY Zukunftsmagazin, Journal of the Austrian Telekom, 12/03

·        Virtual Design Update - Prospects for design professionals.Born, Hannecke, Heine, Karpati, Kemnitz, Löser, Schmidt, Vestner
Steinbeis Fundation, Berlin, 2000, ISBN 3-931221-27-X.

CV (Short Form, Extend CV available upon request)

·        Since 10/2008 Technische Universität Berlin
Senior Scientist in the DIMA group of Prof. Volker Markl

·        02/2007 - 09/2008 SAP Research CEC Dresden
Senior Scientist with the “Data Management and Analytics” Research Programme

·        01/2006-01/2007  IBM Almaden Research Center
Postdoc Avatar project

·        2004 Hewlett Packard Research Laboratories Bristol
2-month  Ph.D. internship  in the “Jena Semantic Web Framework” Project

·        2001-2004 University of Technology Berlin
Graduate teaching assistant

 

 

 

Alexander Löser
(2009/10)