Tài liệu Báo cáo khoa học: "A Hybrid Convolution Tree Kernel for Semantic Role Labeling" pptx
Tài liệu Báo cáo khoa học: "A Hybrid Convolution Tree Kernel for Semantic Role Labeling" pptx
... convolution tree kernel, Mos-
chitti (2004)’s PAF kernel, standard flat features
with Linear kernels, and Poly kernel (d = 2). We
can see that our hybrid convolution tree kernel out-
performs the PAF kernel. ... ls}@ir.hit.edu.cn
Abstract
A hybrid convolution tree kernel is pro-
posed in this paper to effectively model
syntactic structures for semantic role la-
b...
Tài liệu Báo cáo khoa học: "A Syntax-Driven Bracketing Model for Phrase-Based Translation" pptx
... neighboring source phrases and τ(T, s)
(τ(s) for short) is a subtree function which returns
the minimal subtree covering the source sequence
s from the source parse tree T . Note that τ (c
i k
)
includes ... then
8: Update bracketing instances for index j
9: end if
10: end if
11: end for
12: for each j ∈ c do
13:
:= ∪ {bracketing instances from j}
14: end for
15: Output: brack...
Tài liệu Báo cáo khoa học: "A Maximum Expected Utility Framework for Binary Sequence Labeling" doc
... Association for Computational Linguistics
A Maximum Expected Utility Framework for Binary Sequence Labeling
Martin Jansche
∗
jansche@acm.org
Abstract
We consider the problem of predictive infer-
ence for ... al., 2006; Jansche,
2005). More specialized methods also exist, for ex-
ample for support vector machines (Musicant et al.,
2003) and for conditional random fields (Gross et al...
Tài liệu Báo cáo khoa học: "A Hybrid Hierarchical Model for Multi-Document Summarization" ppt
... 2010.
c
2010 Association for Computational Linguistics
A Hybrid Hierarchical Model for Multi-Document Summarization
Asli Celikyilmaz
Computer Science Department
University of California, Berkeley
asli@eecs.berkeley.edu
Dilek ... paper, we formulate ex-
tractive summarization as a two step learn-
ing problem building a generative model
for pattern discovery and a regression
model for...
Tài liệu Báo cáo khoa học: "A HYBRID APPROACH TO REPRESENTATION IN THE JANUS NATURAL LANGUAGE PROCESSOR" pot
... have used a hybrid
approach to representation, employing an intensional
logic for the representation of the semantics of ut-
terances and a taxonomic language with formal
semantics for specification ...
with B are input, the semantic interpreter looks for a
role R from the class associated with A to the class
associated with B. If no such role exists, the search is
for a...
Tài liệu Báo cáo khoa học: A novel electron transport system for thermostable CYP175A1 from Thermus thermophilus HB27 doc
... There-
fore, these results clearly indicate that the electron
transport system for CYP175A1 is composed of Fdx,
FNR, and NADPH (Fig. 4B).
All quantitative analyses were performed at 65 °C
for 2 ... via OFOR and Fdx to CYP119 [13,14]. Inter-
estingly, the electron transport system for CYP175A1
did not utilize OFOR, although the T. thermophilus
HB27 genome contains the genes encoding OFOR...
Tài liệu Báo cáo khoa học: "A New Dataset and Method for Automatically Grading ESOL Texts" pdf
... of the Association for Computational Linguistics, pages 180–189,
Portland, Oregon, June 19-24, 2011.
c
2011 Association for Computational Linguistics
A New Dataset and Method for Automatically ... analyses of the perfor-
180
mance of individual systems, as yet there is no pub-
lically available shared dataset for training and test-
ing such systems and comparing their performance.
As...
Tài liệu Báo cáo khoa học: "A Unified Syntactic Model for Parsing Fluent and Disfluent Speech∗" ppt
... Right-corner transform
Binarized trees
2
are then transformed into right-
corner trees using transform rules similar to those
described by Johnson(1998a). This right-corner
transform is simply the ... describes a syntactic representation
for modeling speech repairs. This representa-
tion makes use of a right corner transform of
syntax trees to produce a tree representation
in which speech...
Tài liệu Báo cáo khoa học: "A Fast, Accurate Deterministic Parser for Chinese" pdf
... additional information, reduce
actions are now in the form of Reduce-{Binary
|Unary}-X-Direction. The “Direction” tag gives
information about whether to take the head-node
of the left subtree or the ... we transform a binary
tree back into a multi-branching tree.
The parsing process succeeds when all the items
in the queue have been processed and there is only
one item (the final parse tr...
Tài liệu Báo cáo khoa học: "A Phrase-based Statistical Model for SMS Text Normalization" ppt
... substitution transformations, but
inadequate to address the insertion transforma-
tion. For example, the lingoes
“duno”, “ysnite”
have to be normalized using an insertion trans-
formation to become ... of 2300 transforma-
tions. Substitution accounts for almost 86% of all
transformations. Deletion and substitution make
up the rest. Table 3 shows the top 10 most com-
mon transformatio...