Research
I am a former member of the Computational
Linguistics group at the University
of Toronto and am now a Research Scientist at Nuance Communications. My research at U of T was focused on categorial grammar with
particular interest paid to Lambek Categorial Grammars (LCG) and
Combinatory Categorial Grammars (CCG). These grammars are motivated
primarily by their strong lexicalization and the categorial semantics
that accompanies every syntactic parse. In my research I aimed to bridge
the gap between theoretical and practical considerations by using the
insights of the logical categorial grammar approaches to improve
practical parsers. I was also interested in the strong generative
capacity of both probabilistic and non-probabilistic variants of these
grammars, which has applications to both syntax and semantics.
As part of this research, together with my supervisor Gerald Penn, I organized
the Parsing with
Categorial Grammars workshop at ESSLLI 2009 in Bordeaux.
Publications
- Fowler,
Timothy A. D. (2016) - Lambek Categorial Grammars for Practical Parsing
- University of Toronto Ph.D. Thesis
- Fowler,
Timothy A. D. (2011) - The Generative Capacity of
Probabilistic and Weighted Context-Free Grammars
- In Proceedings of the 12th Meeting on the Mathematics of
Language
- Fowler,
Timothy A. D. and Penn, Gerald (2010) - Accurate
Context-Free Parsing with Combinatory Categorial Grammar
- In Proceedings of the 48th Annual Meeting of the Association
for Computational Linguistics
- Fowler,
Timothy A. D. (2009) - A Polynomial Time Algorithm for Parsing with the
Bounded Order Lambek Calculus
- In Proceedings of the 11th Meeting on the Mathematics of
Language
- Fowler,
Timothy A. D. (2009) - Term Graphs and the NP-completeness of the
Product-Free Lambek Calculus
- In Proceedings of the 14th Conference on Formal Grammar
- Fowler,
Timothy A. D. (2009) - Parsing
CCGbank with the Lambek calculus
- At the Parsing with Categorial Grammar workshop as part of
ESSLLI 2009
- Fowler,
Timothy A. D. (2008) - Efficient Parsing with the Product-Free Lambek
Calculus
- In Proceedings of the The 22nd International Conference on
Computational Linguistics
- Fowler,
Timothy A. D. (2007) - LC Graphs for the Lambek Calculus with Product
- In Proceedings of Mathematics of Language 10
- Fowler, Timothy A. D. (2006) - A graph
formalism for proofs in the Lambek Calculus with Product
- University of Toronto M.Sc.
Thesis
Reviewer
-
Computational Intelligence 2015
-
Computational Linguistics 2011 Book Review
-
ACL 2010 - Uppsala, Sweden
-
NAACL HLT 2010 Student Research Workshop - Los Angeles, CA, USA
-
MOL 10 JOLLI Special Issue
-
ESSLLI 2006 Student Session