Báo cáo khoa học: "REVISED GENERALIZED PHRASE STRUCTURE GRAMMAR" potx
Báo cáo khoa học: "REVISED GENERALIZED PHRASE STRUCTURE GRAMMAR" potx
... enormous
phrase structure trees whose yield is the empty string (see Ristad,
1986a). Thus, a parser that used such a grammar must nonde-
terministically postulate elaborate phrase structure ... Corporation
245 First Street
Cambridge, MA 02142
ABSTRACT
In this paper, I revise generalized phrase structure grammar
(GPSG) linguistic theory so that it is more tractable and lin...
Báo cáo khoa học: "Adding Noun Phrase Structure to the Penn Treebank" ppt
... base noun phrases (NPs), commit-
ting only to flat structures that ignore the
complexity of English NPs. This means
that tools trained on Treebank data cannot
learn the correct internal structure ... developed from the Penn Treebank, to
represent noun phrase structure more accurately.
240
2 Motivation
Many approaches to identifying base noun phrases
have been explored as part of chunking...
Báo cáo khoa học: "Parsing Noun Phrase Structure with CCG" potx
... 335–343,
Columbus, Ohio, USA, June 2008.
c
2008 Association for Computational Linguistics
Parsing Noun Phrase Structure with CCG
David Vadas and James R. Curran
School of Information Technologies
University ... novel features, with an increase in
parser performance of 1.51%.
1 Introduction
Internal noun phrase (NP) structure is not recovered
by a number of widely-used parsers, e.g. C...
Tài liệu Báo cáo khoa học: "Optimizing Typed Feature Structure Grammar Parsing through Non-Statistical Indexing" doc
... oc-
currences of such variables are limited to a single
category in a phrase structure rule. External vari-
ables are the variables used to share structure be-
tween categories. If a variable is used for ... TFSG rules can cause
the categories to change in structure (due to exter-
nal variable sharing), we need some extra notation
to refer to a phrase structure rule’s categories a...
Tài liệu Báo cáo khoa học: "Understanding the Semantic Structure of Noun Phrase Queries" pptx
... focus
of previous works, but also understanding
their semantic structure. In this work, we
formally define the semantic structure of
noun phrase queries as comprised of intent
heads and intent modifiers. ... July 2010.
c
2010 Association for Computational Linguistics
Understanding the Semantic Structure of Noun Phrase Queries
Xiao Li
Microsoft Research
One Microsoft Way
Redmond, WA 98...
Tài liệu Báo cáo khoa học: Insights into the structure of plant a-type phospholipase D Susanne Stumpe, Stephan Konig and Renate Ulbrich-Hofmann ¨ ppt
... Hough E
(2000) The first crystal structure of a phospholipase D.
Structure Fold Des 8, 655–667.
30 Harding SE (1997) Hydrodynamic properties of
proteins. In Protein Structure: a Practical Approach
(Creighton ... Knowledge of phos-
pholipase D structures, however, is widely restricted to sequence data. The
only known tertiary structure of a microbial phospholipase D cannot be
generalize...
Tài liệu Báo cáo khoa học: "Learning Hierarchical Translation Structure with Linguistic Annotations" ppt
... and phrase- pair
segmenting structure of translation, as in Figure 4.
Given σ, the phrase- pair emission part merely gener-
ates the phrase- pairs utilising distributions from ev-
ery NT
P
to the phrase- pairs ... the following
kind of labels:
Phrase- Pair All phrase- pairs are assigned the X
label
Constituent Source phrase is a constituent A
Concatenation of Constituents Source ph...
Tài liệu Báo cáo khoa học: Complete subunit sequences, structure and evolution of the 6 · 6-mer hemocyanin from the common house centipede, Scutigera coleoptrata pptx
... coleoptrata, being the first
myriapod hemocyanin of which the complete molecular
structure is known. This allows us to compare structure, and
intra- and intermolecular evolution of hemocyanins from
Myriapoda, ... (c). Below the alignment: Secondary structure elements derived from a modeling approach of ScoHcA. The nomenclature follows the
standard convention for hemocyanin structure [26...
Tài liệu Báo cáo khoa học: "DEPENDENCIES OF DISCOURSE STRUCTURE ON THE MODALITY" potx
... analogous to the way
that a generative grammar describes how a
particular deep structure can underlie a given
surface structure.
C. Coding the Transcripts
The first stage of discourse analysis ... Current techniques
for engaging in typewritten dialogue will need to
be extended to accomodate the structure of spoken
language.
I. INTRODUCTION
If a machine could listen, how would w...
Báo cáo khoa học: New insights into structure–function relationships of oxalyl CoA decarboxylase fromEscherichia coli pptx
... stated above, the crystal structures of the three
complexes do not differ significantly in their overall
structure. In order to determine whether the same is
true for the structure of the complexes ... solution structures were com-
pared. Superposition of structures can be performed
on the basis of 3D models or using experimental
SAXS data and scattering patterns calculated from
crystal st...