text entry using rapid serial visual presentation
Tài liệu Báo cáo khoa học: "An ERP-based Brain-Computer Interface for text entry using Rapid Serial Visual Presentation and Language Modeling" ppt
Ngày tải lên :
20/02/2014, 05:20
... Association for Computational Linguistics
An ERP-based Brain-Computer Interface for text entry
using Rapid Serial Visual Presentation and Language Modeling
K.E. Hild
◦
,
U. Orhan
†
,
D. Erdogmus
†
,
B. ... integrates
a stochastic language model with ERP classifi-
cation to achieve speedups, via the rapid serial
visual presentation (RSVP) paradigm.
1 Introduction
There exist a considerable number of people ... rather than
visual scanning, for use by the visually impaired
or when visual access is inconvenient, such as in
face-to-face communication. Auditory scanning is
less straightforward when using a...
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Automatic text extraction using DWT and Neural Network
Ngày tải lên :
05/11/2012, 14:51
... video database. However,
text extraction presents a number of problems
because the properties of text may vary, as well as the
text sizes and the text fonts. Furthermore, texts may
appear in a ... horizontal edges to obtain candidate text
regions. Real Text regions are then identified using
the support vector machine.
Text regions usually have special texture features
because they consist ... or compressed images. Text
extraction from uncompressed image can be
classified as either component-based or texture-based.
For component-based text extraction methods, text
regions are detected...
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Tài liệu Báo cáo khoa học: "Identifying Text Polarity Using Random Walks" pptx
Ngày tải lên :
20/02/2014, 04:20
... (2005; 2006) use a textual representation of
words by collating all the glosses of the word as
found in some dictionary. Then, a binary text clas-
sifier is trained using the textual representation ... Subjectivity analysis is the task
of identifying text that present opinions as op-
posed to objective text that present factual in-
formation (Wiebe, 2000). Text could be either
words, phrases, sentences, ... identified without consider-
ing their context (Wiebe, 2000; Hatzivassiloglou
and Wiebe, 2000; Banea et al., 2008). In the sec-
ond category, the context of subjective text is used
(Riloff and Wiebe, 2003;...
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Tài liệu Báo cáo khoa học: "Extracting Comparative Sentences from Korean Text Documents Using Comparative Lexical Patterns and Machine Learning Techniques" doc
Ngày tải lên :
20/02/2014, 09:20
...
In this section, we define comparative keywords
and extract comparative-sentence candidates by
using those keywords.
3.1 Comparative keyword
First of all, we classify comparative sentences ... 153–156,
Suntec, Singapore, 4 August 2009.
c
2009 ACL and AFNLP
Extracting Comparative Sentences from Korean Text Documents Us-
ing Comparative Lexical Patterns and Machine Learning Techniques
Seon Yang ...
Abstract
This paper proposes how to automatically
identify Korean comparative sentences from
text documents. This paper first investigates
many comparative sentences referring to pre-
vious...
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Tài liệu Báo cáo khoa học: "Learning with Unlabeled Data for Text Categorization Using Bootstrapping and Feature Projection Techniques" doc
Ngày tải lên :
20/02/2014, 16:20
... words tend to appear in similar contexts,
we can compute the similarity by using contextual
information. Words and contexts play
complementary roles. Contexts are similar to the
extent that ...
Bayes classifier using machine-labeled data as
purpose and remaining contexts are assigned to
each context-cluster by that revised technique.
1) Measurement of word and context similarities ... the Naive Bayes Classifier Using
Context-Clusters
In above section, we obtained labeled training data:
context-clusters. Since training data are labeled as
the context unit, we employ a Naive...
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Báo cáo khoa học: "Evaluating Centering-based metrics of coherence for text structuring using a reliably annotated corpus" doc
Ngày tải lên :
17/03/2014, 06:20
... Evaluating the coherence of a text
and text structuring
The statistics about transitions computed as
just discussed can be used to determine the de-
gree to which a text conforms with, or violates,
Centering’s ... discussed in Section
3, using the original ordering of texts in the
gnome corpus to c ompute the average classi-
fication rate of each metric.
The gnome corpus contains texts from differ-
ent genres, ... Beyond
elaboration: The interaction of relations
and focus in coherent text. In T. Sanders,
J. Schilperoord, and W. Spooren, edi-
tors, Text Representation: Linguistic and
Psycholinguistic Aspects, chapter...
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HOW TO BRIDGE THE DISTANCE BETWEEN BUSINESS STRATEGY AND DESIGN.A VISUAL PRESENTATION BY MARTY potx
Ngày tải lên :
22/03/2014, 14:20
... BRIDGE
THE DISTANCE
BETWEEN
BUSINESS STRATEGY
AND DESIGN
FINALLY
A brand is not a product.
A VISUAL PRESENTATION BY MARTY NEUMEIER
The three most important words in differentiating your brand:
SECOND
A ... CREATIVITY by a wide gap.
Copyright © 2003 Neutron LLC. For educational use only. No part of this presentation may
be published, sold, or otherwise used for profit without the written permission...
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Báo cáo khoa học: "Automatically Evaluating Text Coherence Using Discourse Relations" docx
Ngày tải lên :
23/03/2014, 16:20
... more coherent.
The pair of texts consists of a source text and one
of its permutations (i.e., the text s sentence order is
randomized). Assuming that the original text is al-
ways more discourse-coherent ... transitions in short texts are few in num-
ber, we have very little data to base the coherence
judgment on. However, when faced with even short
text excerpts, humans can distinguish coherent texts
from ... present in the above text:
1. Implicit Comparison between S
1
as Arg1, and S
2
as Arg2
2. Explicit Comparison using “but” between S
2
as
Arg1, and S
3
as Arg2
3. Explicit Temporal using “as” within...
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Báo cáo khoa học: "Text Chunking using Regularized Winnow" potx
Ngày tải lên :
31/03/2014, 04:20
... 92.85
Table 3: Chunk prediction results using original
Winnow (with basic features)
6 Conclusion
In this paper, we described a text chunking sys-
tem using regularized Winnow. Since regularized
Winnow ... However, using more features requires more
memory and slows down the algorithm. There-
fore in practice it is still necessary to limit the
number of features used.
Let
be a string of tokenized text ... con-
straint).
Let
be the sequence of tok-
enized text for which we would like to find the
associated chunk types. Let be the as-
sociated feature vectors for this text sequence. Let
be a sequence of potential...
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Báo cáo khoa học: "Text Segmentation Using Reiteration and Collocation" docx
Ngày tải lên :
31/03/2014, 04:20
... document.
Previous work on text segmentation has used term
matching to identify clusters of related text. Salton
and Buckley (1992) and later, Hearst (1994)
extracted related text portions by matching ...
words across a text rather than the more usual
nearest neighbours. A problem with using word
repetition is that inappropriate matches can be
made because of the lack of contextual information ...
cohesion relations that can exist in text.
614
algorithm were compared to the segmentations
identified by test subjects for the same texts.
Method: Twenty texts were randomly selected for
test...
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Báo cáo khoa học: "High-Performance Bilingual Text Alignment Using Statistical and Dictionary Information" pptx
Ngày tải lên :
31/03/2014, 06:20
... pair of Japanese and En-
glish texts, one the translation of the other. First,
sentence boundaries are found in both texts using
finite state transducers. The texts are then part-
of-speech ... first two texts clar-
ify the systems's performance on shorter texts. Text
3 is an essay on economics taken from a quarterly
publication of The International House of Japan.
Text 4 is ... the case of short texts.
Text 3 is easy to align in terms of both the com-
plexity of the alignment and the vocabularies used.
All methods performed well on this text.
For Text 4, Combined...
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Báo cáo khoa học: "Linear Text Segmentation using a Dynamic Programming Algorithm" potx
Ngày tải lên :
31/03/2014, 20:20
... were conducted using Choi's
publicly available text collection (Choi, 2000;
Choi et al., 2001). This collection consists of 700
texts, each text being a concatenation of ten text
segments. ... to
a wide spectrum of text segmentation tasks. We
are interested in segmentation of non artificial e.g
real texts, texts having a diverse distribution of
segment length, long texts, change-of-topic ... in the sequel:
1.
Half of the texts in the dataset are chosen ran-
domly to be used as training texts; the rest of the
samples are set aside to be used as test texts.
2.
Appropriate and
a
values...
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Text extraction from name cards using neural network
Ngày tải lên :
05/11/2012, 14:54
... the
human visual perception in identifying text lines regardless
of text or background colors, foreground objects and text
size variation. Julesz [9, 10] introduced the concept of
texton in ... contrast images with background having
unsmoothed textures. Although the closed contours of texts
texts. In any name card, the number of texts falls within a
certain range. Based on this property, ... classified as text blocks or non -text block based on
the block characteristics. All the text areas are merged in
the final output. Though the method is able to handle
complex color text with complex...
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