instance weighting for domain adaptation in nlp
Báo cáo khoa học: "Perplexity Minimization for Translation Model Domain Adaptation in Statistical Machine Translation" potx
Ngày tải lên :
17/03/2014, 22:20
... poten-
tial training text, and opens new research oppor-
tunities, for instance experiments with clustered
training data.
2 Domain Adaptation for Translation
Models
To motivate efforts in domain adaptation, ... 2010.
Discriminative instance weighting for domain adap-
tation in statistical machine translation. In Proceed-
ings of the 2010 Conference on Empirical Methods
in Natural Language Processing, pages ... DE–FR. Domain: Alpine texts. Full IN TM: Using the full in -domain parallel
corpus; small IN TM: using 10% of available in -domain parallel data.
weights.
12
However, the difference is smaller for
the...
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Báo cáo khoa học: "Estimating Class Priors in Domain Adaptation for Word Sense Disambiguation" pdf
Ngày tải lên :
08/03/2014, 02:21
... value. Now, distribute all the instances
in the new dataset D into the bins according
to their posterior probabilities . Let B , for
, denote the set of instances in bin .
Note that B B B = .
Now, ... corpus.
In our recent work (Chan and Ng, 2005b), we
directly addressed the problem by applying ma-
chine learning methods to automatically estimate
the sense priors in the target domain. For instance,
given ... learning
algorithms for word sense disambiguation. In Proc.
of EMNLP02.
Diana McCarthy, Rob Koeling, Julie Weeds, and John
Carroll. 2004. Finding predominant word senses in
untagged text. In Proc....
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Báo cáo khoa học: "Domain Adaptation with Active Learning for Word Sense Disambiguation" pdf
Ngày tải lên :
08/03/2014, 02:21
... maximize:
p(s)
n
j=1
p(f
j
|s)
In our domain adaptation study, we start with a
WSD system built using training examples drawn
from BC. We then investigate the utility of adding
additional in -domain training data from ... learning for domain adaptation, fol-
lowed by count-merging. Next, we describe an EM-
based algorithm to estimate the sense priors in the
new domain. Performance of domain adaptation us-
ing active ... not only in showing that active
learning can be successfully employed to reduce the
annotation effort required for domain adaptation in
a fine-grained WSD setting. More importantly, our
main focus...
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Báo cáo khoa học: "Biographies, Bollywood, Boom-boxes and Blenders: Domain Adaptation for Sentiment Classification" potx
Ngày tải lên :
08/03/2014, 02:21
... for
domain adaptation. In Neural Information Processing
Systems (NIPS).
John Blitzer, Ryan McDonald, and Fernando Pereira.
2006. Domain adaptation with structural correspon-
dence learning. In ... actually
outperforms the in -domain classifier. This is possi-
ble since the unlabeled data may contain information
that the in -domain classifier does not have access to.
At the beginning of Section ... domain. The baseline is a lin-
ear classifier trained without adaptation, while the
gold standard is an in -domain classifier trained on
the same domain as it is tested.
Figure 1 gives accuracies for...
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Báo cáo khoa học: "Domain Adaptation for Machine Translation by Mining Unseen Words" doc
Ngày tải lên :
17/03/2014, 00:20
... establish
baseline performance for the domains. In these ex-
periments, we built a translation model based only
on the Parliament proceedings. We then tune it us-
ing the small amount of target -domain tuning ... For each domain, the percentage of target do-
main word tokens that are unseen in the source domain,
together with the most frequent English words in the tar-
get domains that do not appear in ... perfor-
mance. (For instance, if all unknown words are
names, then copying them verbatim may be suffi-
cient.) (2) Extend known methods for mining dic-
tionaries from comparable corpora to the domain
adaptation...
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Báo cáo khoa học: "An Architecture for Dialogue Management, Context Tracking, and Pragmatic Adaptation in Spoken Dialogue Systems" pot
Ngày tải lên :
17/03/2014, 07:20
... personality as a
function of interaction style; its simple protocol
specifies conditions for interrupting user speech
for permitting interruption by the user, when to
initiate repair dialogues, ... assumes increasing
decision power for processing flow, in cases of
dialogue segment type with which it is familiar.
The intended contribution of this work is thus in
the generic definition ... Context Tracking
The Context Tracker maintains a record of the
discourse context which it and other components
can consult in order to (a) resolve dependent
forms that occur in input utterances...
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Báo cáo y học: "Characterization of Human Erythrocytes as Potential Carrier for Pravastatin: An In Vitro Study"
Ngày tải lên :
25/10/2012, 11:10
...
loading of pravastatin into erythrocytes was directly
proportional with increase of drug concentration in
the incubation medium, in the 2-10 mg/ml concen-
tration range. This finding is in concurrence ...
pharmacokinetics and pharmacodynamic properties
of statins including inhibition of the metabolism [5],
administration of statins with certain juices [6] or in-
hibition of Pgp [3].
Unfortunately ... including vinblastine, chlor-
promazine, hydrocortisone, propranolol, tetracaine,
retinol, and primaquine [16, 19].
The current work aims to study the encapsula-
tion of pravastatin in human...
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Báo cáo y học: "Comparison between single antiplatelet therapy and combination of antiplatelet and anticoagulation therapy for secondary prevention in ischemic stroke patients with antiphospholipid syndrome"
Ngày tải lên :
26/10/2012, 09:48
... serum obtained from patients with
positive IgG cardiolipin antibodies interfered with
protein C activation [2]. Protein C activation is dis-
turbed in patients with APS [17]. Since protein C is ... difference in effectiveness for sec-
ondary prevention between single antiplatelet (aspi-
rin) and single anticoagulant (warfarin) therapy.
Derksen [15] examined the effect of low-dose aspirin
after ...
antiphospholipid-induced thrombosis: effects on the protein C
system. Curr Rheumatol Rep. 2009; 11: 77-81.
17. Li TH, Chen TH, Lin HS, et al. Uncoupling of protein C and
antithrombin Ш activitiy in cerebral...
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Báo cáo y học: "Efficiency of vibration exercise for glycemic control in type 2 diabetes patients."
Ngày tải lên :
26/10/2012, 10:04
... evaluated at baseline and after 12 weeks of training
with three training sessions per week. The main findings are: Fasting glucose concentrations remind unchanged
after training. The area under ... training effects on glycemic control rather then
a chronic adaptation to training originates from the
findings of Fenicchia et al. [5] and Ostergard et al. [13].
In the first study a single ... pre-training, hollow bars = post-training.
mean ± SE.
Figure 4: Glucose plasma-concentrations during OGTT before (black) and after the training period (hollow). Left top: Flexibility
training...
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Towards a combined product - process approach TO DEVELOPING BUSINESS CORRESPONDENCE WRITING SKILLS FOR ENGLISH MAJORS IN HAIPHONG UNIVERSITY
Ngày tải lên :
07/11/2012, 14:31
... improvements.
2.1.3. Teaching business letter writing
In business communication, letters play a very important role in establishing and maintaining
business relationships, both within a company and with ... learning English as most respondents (38/42) accounting for 90%
say that they study English for finding a good job in the future. The remaining accounting
for 10% claim that they study English for ...
learning-teaching in general, and business correspondence writing in particular.
3. Scope of study
This research focuses on finding out suitable techniques for teaching students to write
business...
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