Tài liệu Báo cáo khoa học: "Improving Automatic Speech Recognition for Lectures through Transformation-based Rules Learned from Minimal Data" ppt
Tài liệu Báo cáo khoa học: "Improving Automatic Speech Recognition for Lectures through Transformation-based Rules Learned from Minimal Data" ppt
... Singapore, 2-7 August 2009.
c
2009 ACL and AFNLP
Improving Automatic Speech Recognition for Lectures through
Transformation-based Rules Learned from Minimal Data
Cosmin Munteanu
∗†
∗
National Research ... tran-
scripts for lectures. Section 3 describes our exper-
imental setup, and Section 4 analyses its results.
2 Transformation-Based Learning
Brill’s tagger intro...
Tài liệu Báo cáo khoa học: Preliminary molecular characterization and crystallization of mitochondrial respiratory complex II from porcine heart ppt
... Electrons are
transferred from succinate to ubiquinone through the
buried prosthetic groups FAD, [2Fe)2S] cluster,
[4Fe)4S] cluster [3Fe)4S] cluster and heme, which
form an integral part of the ... detergent for cry-
stallization, and n-nonyl-b-d-maltoside as the additive.
Another important factor for crystallization of com-
plex II is sucrose. Sucrose was used as a stabilizer for
s...
Tài liệu Báo cáo khoa học: "Part-of-Speech Tagging for Twitter: Annotation, Features, and Experiments" pdf
... the Association for Computational Linguistics:shortpapers, pages 42–47,
Portland, Oregon, June 19-24, 2011.
c
2011 Association for Computational Linguistics
Part-of -Speech Tagging for Twitter: ... 2010).
than for Standard English text. For example, apos-
trophes are often omitted, and there are frequently
words like ima (short for I’m gonna) that cut across
traditional POS cate...
Tài liệu Báo cáo khoa học: "Refined Lexicon Models for Statistical Machine Translation using a Maximum Entropy Approach" pptx
... pair;
Syntactic information: part-of -speech in-
formation, syntactic constituent, sentence
mood;
Semantic information: disambiguation in-
formation (e.g. from WordNet), cur-
rent/previous speech or dialog ... lexicon models lack from context infor-
mation that can be extracted from the same paral-
lel corpus. This additional information could be:
Simple context information: informat...
Tài liệu Báo cáo khoa học: "Improving Word Representations via Global Context and Multiple Word Prototypes" pdf
... Christopher D. Manning, Andrew Y. Ng
Computer Science Department, Stanford University, Stanford, CA 94305, USA
{ehhuang,manning,ang}@stanford.edu,
∗
richard@socher.org
Abstract
Unsupervised word representations ... syn-
tactic information. These improved representations
can be used to represent contexts for clustering word
instances, which is used in the multi-prototype ver-
sion of our mod...
Tài liệu Báo cáo khoa học: "Improving Statistical Machine Translation with Monolingual Collocation" pdf
... probabilities, which are
estimated from monolingual corpora, in
two aspects, namely improving word
alignment for various kinds of SMT sys-
tems and improving phrase table for
phrase-based SMT. The ... and Resnik, 2008; Xiong et al.,
2009). However, the constraints were learned
from the parsed corpus, which is not available
for many languages.
In this paper, we propose to use...
Tài liệu Báo cáo khoa học: "Improving Chinese Semantic Role Labeling with Rich Syntactic Features" ppt
... respectively. The forth line is
the best published SRC performance reported in
(Ding and Chang, 2008), and the sixth line is the
best SRL performance reported in (Xue, 2008).
Other lines show the performance ... the
AI performance when gold candidate boundaries
and word features are used; Line 3 is the perfor-
mance with additional syntactic features. Line 4
shows the performance by using au...
Tài liệu Báo cáo khoa học: Improving Classification of Medical Assertions in Clinical Notes" pdf
... F
1
-measure
for present and +1.86% for absent), the relative
reduction in error rate was greater than for the mi-
nority classes: -29.25% reduction in error rate for
absent assertions, -17.32% for ... Machine-
Learned Solutions for Three Stages of Clinical In-
formation Extraction: the State of the Art at i2b2
2010. J Am Med Inform Assoc.
Chih-Chung Chang and Chih-Jen Lin,...
Tài liệu Báo cáo khoa học: "Mining Wikipedia Revision Histories for Improving Sentence Compression" docx
... taken from the
Ziff-Davis corpus. We solicited judgments of im-
portance (the value of the retained information), and
grammaticality for our compression, the KM results,
and human compressions from ... for glare
protection] is effective and will help if your
office has the fluorescent-light overkill [that
’s typical in offices].
(4) Prices range from $5,000 [for a microvax
2000] to $1...
Tài liệu Báo cáo khoa học: "Improving the Scalability of Semi-Markov Conditional Random Fields for Named Entity Recognition" pdf
... the
overall performance.
We next evaluate the effect of filtering, chunk
information and non-local information on final
performance. Table 6 shows the performance re-
sult for the recognition task. ... the development data. For
semi-CRFs, we used amis
3
for training the semi-
CRF with feature-forest. We used GENIA taggar
4
for POS-tagging and shallow parsing.
We set L = 10 for train...