@InProceedings{COL2004b,
  author = 	 {Christopher Collins and Bob Carpenter and Gerald Penn},
  title = 	 {Head-Driven Parsing for Word Lattices},
  booktitle = 	 {Proc. of the Annual Meeting of the Association for Computational Linguistics},
  pages =	 {213--238},
  year =	 2004,
  address =	 {Barcelona, Spain},
  month =	 jul
}

@MastersThesis{COL2004a,
  author = 	 {Christopher Collins},
  title = 	 {Head-Driven Statistical Parsing for Word Lattices},
  school = 	 {University of Toronto},
  year = 	 2004
}

@InProceedings{COL2006c,
  author = 	 {Christopher Collins and Gerald Penn},
  title = 	 {Leveraging Uncertainty Visualization in Multilingual Chatrooms},
  booktitle = 	 {Proc. of Computer Supported Cooperative Work, Interactive Demonstration Session (CSCW 2006)},
  year =	 2006,
  address =	 {Banff, Canada},
  month =	 nov,
  publisher =	 {ACM Press}
}

@InProceedings{COL2006d,
  author = 	 {Christopher Collins},
  title = 	 {DocuBurst: Document Content Visualization using Language Structure},
  booktitle = 	 {Proc. of IEEE Symp. on Information Visualization (InfoVis 2006), Poster Session, Proceedings Compendium},
  year =         2006,
  pages =        {112--113},
  address =	 {Baltimore, USA},
  publisher =	 {IEEE Press}
}

@TechReport{COL2007a,
  author = 	 {Christopher Collins},
  title = 	 {DocuBurst: Radial Space-Filling Visualization of Document Content},
  institution =  {Knowledge Media Design Institute, University of Toronto},
  number = {KMDI-TR-2007-1},
  year = 	 2007
}

@InProceedings{COL2007b,
  author = 	 {Christopher Collins and Sheelagh Carpendale and Gerald Penn},
  title = 	 {Visualization of Uncertainty in Lattices to Support Decision-Making},
  booktitle = 	 {Proc. of Eurographics/{IEEE VGTC} Symposium on Visualization (EuroVis)},
  year =	 2007,
  address =	 {Norrk\"{o}ping, Sweden},
  month =	 may,
  publisher =	 {Eurographics}
}

@InProceedings{BAE2007a,
  author = 	 {Ronald Baecker and David Fono and Lillian Blume and Christopher Collins and Delia Couto},
  title = 	 {Webcasting Made Interactive: Persistent Chat for Text Dialogue During and About Learning Events},
  booktitle = 	 {Proc. of HCI International, Lecture Notes in Computer Science},
  year =	 2007,
  address =	 {Beijing, China},
  publisher =	 {Springer}
}