Báo cáo khoa học: "Computing Optimal Descriptions for Optimality Theory Grammars with Context-Free Position Structures" docx
Báo cáo khoa học: "Computing Optimal Descriptions for Optimality Theory Grammars with Context-Free Position Structures" docx
... Computing Optimal Descriptions for Optimality Theory
Grammars with Context-Free Position Structures
Bruce
Tesar
The Rutgers Center for Cognitive Science /
The Linguistics ... edu
Abstract
This paper describes an algorithm for
computing optimal structural descriptions
for Optimality Theory grammars with
context-free position structures. This
algo...
Báo cáo khoa học: "Computing Confidence Scores for All Sub Parse Trees" pot
... classifier with all the selected fea-
tures, we reached an annotation error rate
of 26.0% in the SWBD corpus, compared
with a subtree error rate of 41.91%, a
closely related benchmark with the ... phrase “a rock song,”
the confidence scores for each word, the artist
name “Cher,” and the whole sentence would not be
enough. For tasks of information extraction, when
extracted con...
Tài liệu Báo cáo khoa học: "Translation Model Adaptation for Statistical Machine Translation with Monolingual Topic Information" doc
... context in-
formation at the sentence level, we adopt the
topical context information in our method for
the following reasons: (1) the topic informa-
tion captures the context information beyond
the ... 8-14 July 2012.
c
2012 Association for Computational Linguistics
Translation Model Adaptation for Statistical Machine Translation with
Monolingual Topic Information
∗
Jinsong Su
1,2
,...
Tài liệu Báo cáo khoa học: "A rich environment for experimentation unification grammars" potx
...
illustration• without entering
into discussion of the under-
lying complexity, for which we
unfortunately do not have
space here, we give an exter-
nal form of a lexical entry
for some of ... all the infor-
mation necessary for mapping
- 186-
instances of verbs with vp or
pp complements to a situation
schema (Fenstad, Halvorsen,
Langholm and van Benthem,
1987).
Here, fo...
Báo cáo khoa học: "Community Answer Summarization for Multi-Sentence Question with Group L1 Regularization" pdf
... length of the sentence in the
answers with the stop words removed. It seems that a
long sentence may contain more information.
2. Position: The sentence’s position within the answer. If
a sentence ... features of (Shen et al., 2007) for fair-
ness. For the thresholds used in the contextual fac-
tors, we enforce τ
lq
to be equal to τ
ls
and τ
uq
equal
to τ
us
for the purpose of simp...
Báo cáo khoa học: " New Ranking Algorithms for Parsing and Tagging: Kernels over Discrete Structures, and the Voted Perceptron" docx
... many
possibilities for . An obvious example for parse
trees is to have one component of for each
rule in a context-free grammar that underlies the
trees. This is the representation used by Stochastic
Context-Free ... structures
with similar feature vectors will have high values for
. More formally, it has been observed that
many algorithms can be implemented using inner
products...
Báo cáo khoa học: "Modeling Semantic Relevance for Question-Answer Pairs in Web Social Communities" docx
... divergence 25.30 51.40
DBN (without FT) 41.45 59.64
DBN (with FT) 45.00 62.03
Table 1: Results on Forum Dataset
We have also investigated the reasons for the un-
satisfying performance of the baseline ... stands for the hid-
den feature vector for reconstructing the questions.
w
i j
is a symmetric interaction term between word
i and hidden feature j, b
i
stands for the bias of the
mo...
Báo cáo khoa học: "Comprehension and Compilation in Optimality Theory∗" ppt
... 21218-2691
jason@cs.jhu.edu
Abstract
This paper ties up some loose ends in finite-state Optimality
Theory. First, it discusses how to perform comprehension un-
der Optimality Theory grammars consisting of finite-state con-
straints. ... underlying (“deep”) form to a surface form.
Optimality Theory or OT (Prince and Smolensky,
1993) proposes to describe phonological production
as an...
Báo cáo khoa học: "Efficient Generation in Primitive Optimality Theory" pot
... Ellison) unless the
CFG contains recursive productions.
2 Primitive Optimality Theory
Primitive Optimality Theory. or OTP. is a formal-
ization of
OT
featuring a homogeneous output repre-
sentation, ... factors (> 2 4°) for real
grammars. Even if a fixed grammar can somehow be
compiled into a fast form for use with many inputs,
the compilation itself will have to dea...
Báo cáo khoa học: "Computing and Evaluating Syntactic Complexity Features for Automated Scoring of Spontaneous Non-Native Speech" pot
...
parsing results where the parser is provided with
one sentence at a time. By applying the same selec-
tion criteria as before, except for allowing for cor-
relations above 0.1 and giving preference ... 3, we
have one training set (N=137 speakers with all of
their responses combined) for model building and
five testing sets (N=52 for each of them) for evalu-
ation.
The publ...
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