Conceptual Grouping in Word Co-Occurrence Networks. - Anne Veling; Peter van der Weerd (IJCAI, 1999)

First Experiments with CLEF. - Peter van der Weerd; Wilfred Blom (CLEF (Working Notes), 2001)

MediaLab @ CLEF-2002: Comparing Search Strategies. - Dennis Reidsma; Peter van der Weerd (CLEF (Working Notes), 2002)

MediaLab at CLEF-2003: Using Keyword Disambiguation. - Peter van der Weerd (CLEF (Working Notes), 2003)