\begin{thebibliography}{21}
\expandafter\ifx\csname natexlab\endcsname\relax\def\natexlab#1{#1}\fi
\expandafter\ifx\csname url\endcsname\relax
  \def\url#1{{\tt #1}}\fi

\bibitem[Abney(1991)]{Abney91}
S.~Abney.
\newblock Parsing by chunks.
\newblock In {\em Principle-Based Parsing}, pages 257--278. Kluwer Academic
  Publishers, Dordrecht, 1991.

\bibitem[Brill(1994)]{tbl}
E.~Brill.
\newblock Some advances in rule-based part of speech tagging.
\newblock In {\em Proceedings of the 12th National Conference on Artificial
  Intelligence (AAAI-94), Seattle, Washington}, 1994.

\bibitem[Buchholz and Daelemans(2001)]{buch}
Sabine Buchholz and Walter Daelemans.
\newblock {C}omplex {A}nswers: {A} {C}ase {S}tudy using a {WWW} {Q}uestion
  {A}nswering {S}ystem.
\newblock {\em Natural Language Engineering}, 2001.

\bibitem[Buchholz et~al.(1999)Buchholz, Veenstra, and Daelemans]{Buchholz+99}
Sabine Buchholz, Jorn Veenstra, and Walter Daelemans.
\newblock Cascaded grammatical relation assignment.
\newblock In Pascale Fung and Joe Zhou, editors, {\em Proceedings of
  EMNLP/VLC-99}, pages 239--246. ACL, 1999.

\bibitem[Caruana and Freitag(1994)]{caruana94}
R.~Caruana and D.~Freitag.
\newblock Greedy attribute selection.
\newblock In {\em Proceeedings of the Eleventh International Conference on
  Machine Learning}, pages 28--36, New Brunswick, NJ, USA, 1994. Morgan
  Kaufman.

\bibitem[Collins(1996)]{Coll96}
Michael~John Collins.
\newblock A new statistical parser based on bigram lexical dependencies.
\newblock In {\em $34^{th}$ Annual Meeting of the Association for Computational
  Linguistics}. University of California, Santa Cruz, California, USA, June
  1996.

\bibitem[Daelemans et~al.(1999)Daelemans, Buchholz, and Veenstra]{Daelemans+99}
W.~Daelemans, S.~Buchholz, and J.~Veenstra.
\newblock Memory-based shallow parsing.
\newblock In {\em Proceedings of CoNLL}, Bergen, Norway, 1999.

\bibitem[Dejean(2002)]{dejean02}
H.~Dejean.
\newblock Learning rules and their exceptions.
\newblock {\em Journal of Machine Learning Research}, 2002.

\bibitem[Jurafsky and Martin(2000)]{Jurafsky+2000}
D.~Jurafsky and J.~Martin.
\newblock {\em Speech and Language Processing}.
\newblock Prentice-Hall, 2000.

\bibitem[Marcus et~al.(1993)Marcus, Santorini, and Marcinkiewicz]{Marc93}
M.~Marcus, S.~Santorini, and M.~Marcinkiewicz.
\newblock Building a {L}arge {A}nnotated {C}orpus of {E}nglish: the {P}enn
  {T}reebank.
\newblock {\em Computational Linguistics}, 19\penalty0 (2):\penalty0 313--330,
  1993.
\newblock URL \url{citeseer.nj.nec.com/marcus93building.html}.

\bibitem[Megyesi(2002)]{megyesi}
B.~Megyesi.
\newblock Shallow parsing with pos taggers and linguistic knowledge.
\newblock {\em Journal of Machine Learning Research}, 2002.

\bibitem[Molina and Pla(2002)]{molpla}
A.~Molina and F.~Pla.
\newblock Shallow parsing using specialized hmm.
\newblock {\em Journal of Machine Learning Research}, 2002.

\bibitem[Osborne(2002)]{osborne}
M.~Osborne.
\newblock Shallow parsing using noisy and non-stationary training material.
\newblock {\em Journal of Machine Learning Research}, 2002.

\bibitem[Ramshaw and Marcus(1995)]{Ramshaw+95}
L.A. Ramshaw and M.P. Marcus.
\newblock Text chunking using transformation-based learning.
\newblock In {\em Workshop on Very Large Corpora}, pages 82--94, 1995.

\bibitem[Sekimizu et~al.(1998)Sekimizu, Park, and Tsujii]{Sekimizu+98}
T.~Sekimizu, H.~Park, and J.~Tsujii.
\newblock Identifying the interaction between genes and gene products based on
  frequently seen verbs in medline abstracts, 1998.

\bibitem[Skut and Brants(1998)]{Skut+98}
W.~Skut and T.~Brants.
\newblock Chunk tagger: statistical recognition of noun phrases.
\newblock In {\em ESSLLI-1998 Workshop on Automated Acquisition of Syntax and
  Parsing}, 1998.

\bibitem[Srihari and Li(1999)]{Srihari+99}
R.~Srihari and W.~Li.
\newblock Information extraction supported question answering.
\newblock In {\em Proceedings of TREC 8}, 1999.

\bibitem[Tjong Kim~Sang(2002)]{tks02}
E.F. Tjong Kim~Sang.
\newblock Memory-based shallow parsing.
\newblock {\em Journal of Machine Learning Research}, 2002.

\bibitem[van Halteren(1999)]{Halteren99}
H.~van Halteren.
\newblock {\em Syntactic Wordclass Tagging}.
\newblock Kluwer Academic Publishers, 1999.

\bibitem[Wahlster(2000)]{wahl00}
Wolfgang Wahlster, editor.
\newblock {\em Verbmobil: {F}oundations of {S}peech-to{S}peech {T}ranslation}.
\newblock Springer, 2000.

\bibitem[Zhang et~al.(2002)Zhang, Damereau, and Johnson]{zhang02}
T.~Zhang, F.~Damereau, and D.~Johnson.
\newblock Text chunking base on a generalization of winnow.
\newblock {\em Journal of Machine Learning Research}, 2002.

\end{thebibliography}