Báo cáo khoa học: "Accurate Learning for Chinese Function Tags from Minimal Features" pdf
Báo cáo khoa học: "Accurate Learning for Chinese Function Tags from Minimal Features" pdf
... guidelines of Penn Chinese Treebank talk
of function tags. We will use the term function labels and
function tags identically, and hence make no distinction be-
tween function labeling and function tagging ... simply
extend previous method from English to
Chinese, we also proposed an effective
way to recognize function tags directly
from lexical information, which is e...
Tài liệu Báo cáo khoa học: "Guided Learning for Bidirectional Sequence Classification" ppt
... our learning algorithm is the strategy
used to select samples for training.
In general, this novel learning framework lies be-
tween supervised learning and reinforcement learn-
ing. Guided learning ... classification are dynamically incorporated in the
learning phase.
Guided learning is not as hard as reinforcement
learning. At each local step in learning, we always
know the u...
Tài liệu Báo cáo khoa học: "Machine Learning for Coreference Resolution: From Local Classification to Global Ranking" ppt
... standard machine learning approach,
outperforming them by as much as 4–7% on the
three data sets for one of the performance metrics.
2 Related Work
As mentioned before, our approach differs from the
standard ... ACL, pages 157–164,
Ann Arbor, June 2005.
c
2005 Association for Computational Linguistics
Machine Learning for Coreference Resolution:
From Local Classification to Glob...
Báo cáo khoa học: "Transductive learning for statistical machine translation" potx
... test sets when additional source language
data from the Chinese Gigaword corpus compris-
ing newswire text is used for transductive learning.
These Chinese sentences were sorted according to
their ... French–English translation task from the Eu-
roParl corpus, and the other one is Chinese English
translation as performed in the NIST MT evaluation
(www.nist.gov/speech/tests/mt)....
Tài liệu Báo cáo khoa học: "Lexicographic Semirings for Exact Automata Encoding of Sequence Models" pdf
... n − 1 for a model
of order n — may have n-gram arcs entering from
other full-order states as well as from backoff states
of history size n − 2.
3.2 Encoding with lexicographic semiring
For an ... paths from the ep-
silon approximation are different, at least in terms
of weights, from the shortest paths using the failure
LM. For full lattices, 42 (4.7%) of the lexicographic
outpu...
Tài liệu Báo cáo khoa học: "Co-training for Predicting Emotions with Spoken Dialogue Data" pdf
... computeParameters(training)
for feature = 1:MAXFEATURES
evaluate(parameters,development,
[bestFeatures + feature])
keep validation performance
end
end
average_performance and keep average_performance ... saved for later
experiments.
4.1 Selecting the features
The first task was to reduce the dimensionality
and find the best set of features for maximizing the
PPV...
Báo cáo khoa học: "A System for Semantic Analysis of Chemical Compound Names" pdf
... transform
syntactic as well as morphological variations of
names into a normalized name form. Basic trans-
formations can be achieved via pattern match-
ing (regular expressions) while for more ... have to be called.
For this, we are developing a comprehensive set of
functions which call the constraints with the cor-
rect parameters for the given input name. In these
functions, it is de...
Báo cáo khoa học: "Using aggregation for selecting content when generating referring expressions" pdf
... has of course no for-
mal consequences for the information contained
in the lattice.
To determine RE-content appropriate for re-
ferring to object ol, we again look for minimal
(i.e., nearest ... supportive of minimal RE's and we
will only follow this path here; formal indica-
tions of minimality are given by the depth and
number of paths leading from the node used...
Tài liệu Báo cáo khoa học: "Extraction and Approximation of Numerical Attributes from the Web" pdf
... and Rosie Jones. 1999. Learning Dic-
tionaries for Information Extraction by Multi-Level
Bootstrapping. AAAI ’99.
Benjamin Rosenfeld and Ronen Feldman. 2007.
Clustering for unsupervised relation ... similarity
information. First, we obtain from the
Web and WordNet a list of terms similar to
the given object. Then we retrieve attribute
values for each term in this list, and infor-
ma...
Báo cáo khoa học: "Hybrid Methods for POS Guessing of Chinese Unknown Words" pot
... P (t
3
|t
1
, t
2
), where t
3
stands for the unknown
3
POS, and t
1
and t
2
stand for the two previous POS
tags. The POS tags for known words are taken from
the tagged training corpus. Following ... reported in previous stud-
ies, which was 69%.
2 Chinese Unknown Words
The definition of what constitutes a word is prob-
lematic for Chinese, as Chinese does not have word
delim...