Dipl.-Ing. (BA) Melanie Weis

Humboldt-Universität zu Berlin Institut für Informatik Arbeitsgruppe Informationsintegration Postadresse: Unter den Linden 6, 10099 Berlin Besuchsadresse: Rudower Chaussee 25, 12489 Berlin Deutschland Tel.: ++49 30 2093 5486 Fax: ++49 30 2093 5484 Raum: RUD 25, Bau IV, Raum 103 Email: mweis(at)informatik.hu-berlin.de

Research

Research Areas

• Duplicate detection in XML
• XML Data cleaning

Projects

• HumMer: The Humboldt Merger. Data integration tool.
• XClean: Declarative XML Data Cleaning.
  In Cooperation with Ioana Manolescu (INRIA Futurs,Frankreich) and Helena Galhardas (IST Tagus Park, Portugal)
• Dirty XML Generator. Tool to generate inexact duplicates in XML data.
• XQuery Generator. Tool to graphically generate XQuery selection- and projection queries.

Teaching

Courses

• Winter 04/05: Tutorial to Lecture: "Information Integration"
• Summer 04: Tutorial to Lecture: "Information Integration II"

Supervised Theses

Completed

• Tree-Edit-Distance for Schema Matching. Evgenia Ershova, Diplomarbeit.
• Duplikaterkennung in XML Daten mit der Sorted Neighborhood Methode.
  XML Duplicate Detection using the Sorting Neighborhood Method
  Sven Puhlmann, Diplomarbeit.
• Entwicklung eines Tools zur Unterstützung der Duplikaterkennung und Verwaltung von Duplikaten
  Developement of a Tool Supporting Duplicate Detection and the Management of Duplicates
  Erik Witzmann und Daniel Mauter, Studienarbeit.

Publications

Conferences

• XML Duplicate Detection Using Sorted Neighborhoods
  Sven Puhlmann, Melanie Weis and Felix Naumann. EDBT 2006, Munich, Germany.
• DogmatiX Tracks down Duplicates in XML
  Melanie Weis and Felix Naumann. SIGMOD 2005, Baltimore, MD.

Workshops

• A Duplicate Detection Benchmark for XML (and Relational) Data
  Melanie Weis, Felix Naumann and Franziska Brosy. SIGMOD 2006 Workshop on Information Quality for Information Systems (IQIS) Chicago, IL.
• XStruct: Efficient Schema Extraction from Multiple and Large XML Documents
  Jan Hegewald, Felix Naumann and Melanie Weis. ICDE 2006 Workshop on XML Schema and Data Management (XSDM), Atlanta, Georgia.
• Fuzzy Duplicate Detection on XML Data
  Melanie Weis. VLDB 2005 PhD Workshop, Trondheim, Norway.
• Detecting Duplicate Objects in XML Documents
  Melanie Weis and Felix Naumann. SIGMOD 2004 Workshop on Information Quality for Information Systems (IQIS) , Paris, France.

Posters & Demos

• Detecting Duplicates in Complex XML Data (poster, also see technical report)
  Melanie Weis and Felix Naumann. ICDE 2006, Atlanta, Georgia.
• Automatic Data Fusion with HumMer (demo)
  Alexander Bilke, Jens Bleiholder, Christoph Böhm, Karsten Draba, Felix Naumann, Melanie Weis. VLDB 2005, Troindheim, Norway.

Journals

• Data Fusion in Three Steps: Resolving Schema, Tuple, and Value Inconsistencies
  Felix Naumann, Alexander Bilke, Jens Bleiholder, Melanie Weis.Bulletin of the Technical Committee on Data Engineering, Vol. 29 No. 2, June 2006, 21-31.
• Erkennen und Bereinigen von Datenfehlern in naturwissenschaftlichen Daten (german)
  Heiko Müller, Melanie Weis, Jens Bleiholder and Ulf Leser. Datenbank-Spektrum, Heft 15, November 2005, 36-43.
• Eine Übung zur Vorlesung Informationsintegration (german)
  Felix Naumann, Jens Bleiholder, Melanie Weis. Datenbank-Spektrum Heft 11, November 2004, 50-52.

Technical Reports

• Relationship-Based Duplicate Detection Melanie Weis and Felix Naumann. Technical Report Nr. HU-IB-206, July 2006.