an introduction to conditional random fields for relational learning
Tài liệu Báo cáo khoa học: "Conditional Random Fields for Word Hyphenation" docx
... a random
variable with mean p and variance p(1 − p)/N.
For large N, the distribution of the random vari-
able f approaches the normal distribution. Hence
we can derive a confidence interval for ... items, is an instance
of a structured learning problem. In general, struc-
tured learning means learning to predict outputs
that have internal structure. This structure can
be mode...
Tài liệu Báo cáo khoa học: "Improving the Scalability of Semi-Markov Conditional Random Fields for Named Entity Recognition" pdf
... the effect of filtering, chunk
information and non-local information on final
performance. Table 6 shows the performance re-
sult for the recognition task. L means the upper
bound of the length ... representa-
tion that can capture informative charac-
teristics of entities. We also introduce a
simple trick to transfer information about
distant entities by embedding label infor-
mation into...
Báo cáo khoa học: "Semi-Supervised Conditional Random Fields for Improved Sequence Segmentation and Labeling" pdf
... self -learning
(Celeux and Govaert 1992; Yarowsky 1995), co-
training (Blum and Mitchell 1998), information-
theoretic regularization (Corduneanu and Jaakkola
2006; Grandvalet and Bengio 2004), and ... sequences to be labeled, and be a random
variable over corresponding label sequences. All
components, , of are assumed to range over
a finite label alphabet . For example, might
range o...
Báo cáo khoa học: "Using Conditional Random Fields For Sentence Boundary Detection In Speech" potx
... 43rd Annual Meeting of the ACL, pages 451–458,
Ann Arbor, June 2005.
c
2005 Association for Computational Linguistics
Using Conditional Random Fields For Sentence Boundary Detection In
Speech
Yang ... is
important for enriching speech recogni-
tion output, making it easier for humans to
read and downstream modules to process.
In previous work, we have developed hid-
den Mar...
Tài liệu Báo cáo khoa học: "Generalized Expectation Criteria for Semi-Supervised Learning of Conditional Random Fields" pdf
... Association for Computational Linguistics
Generalized Expectation Criteria for Semi-Supervised Learning of
Conditional Random Fields
Gideon S. Mann
Google Inc.
76 Ninth Avenue
New York, NY 10011
Andrew ... these
methods can often find good solutions, both are quite
sensitive to the selection of auxiliary information,
and making good selections requires significant in-
sight.
2
3...
Báo cáo khoa học: "Using Conditional Random Fields to Predict Pitch Accents in Conversational Speech" pptx
... utterances with 13,190 words. These utter-
ances were hand coded for pitch accent and intona-
tional phrase brakes.
3.1 Pitch Accent Coding
The utterances were hand labeled for accents and
boundaries ... used before
for this task, namely information content (IC) (Pan
and McKeown, 1999) and mutual information (Pan
and Hirschberg, 2001). However, the measures we
have used encompass simila...
A Beginner’s Guide to Network Security: An Introduction to the Key Security Issues for the E-Business Economy doc
...
previewing private financial, patient, or human resources
data, are far more serious, can be damaging to reputations,
and can cause financial liability for a company.
What can these enemies do?
... which an organization operates. In
addition, companies must decide who is responsible for
enforcing and managing these policies and determine how
employees are informed of the rules...
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