Báo cáo khoa học: "Automatically Mining Question Reformulation Patterns from Search Log Data" pdf
Báo cáo khoa học: "Automatically Mining Question Reformulation Patterns from Search Log Data" pdf
... concept,
we propose a question reformulation framework.
First, we mine the question reformulation patterns
from search logs that record users’ reformulation
behavior. Second, given a new question, we ... chal-
lenge to search systems. In this paper, we au-
tomatically mined 5w1h question reformula-
tion patterns fro m large scale search log data.
The question refo...
Tài liệu Báo cáo khoa học: "Co-training for Predicting Emotions with Spoken Dialogue Data" pdf
... annotate spoken
dialogues. A major challenge to address is in
reducing the dimensionality of the many features
available to the learners.
The motivation for our research arises from the
need ... Tutoring SPOKEn
dialogue System) project (Litman and Silliman,
2004). Ongoing research in ITSPOKE aims to
recognize emotional states of students in order to
build a spoken dialogue tutoring...
Báo cáo khoa học: "Extracting Parallel Sub-Sentential Fragments from Non-Parallel Corpora" pdf
... comparable corpora
from the Romanian translations of the European
Union’s acquis communautaire which we mined
from the Web, and has about 10M English words.
We downloaded comparable data from three on-
line ... boxes from
the figure show, some parallel fragments of data
do exist; but they are present at the sub-sentential
level.
In this paper, we present a method for extracting
such pa...
Báo cáo khoa học: "Predicting Strong Associations on the Basis of Corpus Data" pdf
... the
logarithm of rank+1, in order to avoid division by zero.
654
mean harmonic mean
systems med mean rank1 med mean rank1
loglik
10
(baseline) 3 16.6 194
loglik
10
+ doc 2 13.1 223 3 13.4 211
loglik
10
+ ... word
10
3 13.8 182 3 14.2 187
loglik
10
+ doc + syn 3 14.4 179 4 14.7 184
loglik
10
+ doc + comp 2 11.8 249 2 12.2 221
Table 4: Results of ensemble methods.
loglik
10
= log- likelihood r...
Báo cáo khoa học: "Word Clustering and Disambiguation Based on Co-occurrence Data" pdf
... the above as
6Ldat = - ~C~eT~ f(Cij, Co) log P(c'i'co
P(co).P(C~)
+ Y~C.eT~ f(Ci, Co) log P(C,,C~)
P(cd.P(c~)
P(C1,Cv)
+
~C~eTv
f(Cs, Cv )log
p(cD.P(c 0 .
Thus, the quantity 6Laat ...
L(SIM ) = - ~ log /5(n, v),
(n,v)e8
where/5 stands for the maximum likelihood estimate
of P (as defined in Section 3).
We then calculate the model description length as
k
L(M)...
Tài liệu Báo cáo khoa học: "Automatically Generating Term-frequency-induced Taxonomies" doc
... Mohania
IBM Research - India
{karinmur|ftanveer|lvsubram|hkaranam|mkmukesh}@in.ibm.com
Abstract
We propose a novel method to automati-
cally acquire a term-frequency-based tax-
onomy from a corpus ... use lexical-syntactic formulation to de-
fine patterns, either manually (Kozareva et al.,
2008) or automatically (Girju et al., 2006), and
apply those patterns to mine instances of the pat-...
Tài liệu Báo cáo khoa học: "Automatically Extracting Polarity-Bearing Topics for Cross-Domain Sentiment Classification" pptx
... classification accuracy. Manually examining the
extracted polarity topics from JST reveals that when
the topic number is small, each topic cluster contains
well-mixed words from different domains. How-
ever, ... sentiment-topic (JST) model (?; ?) was ex-
tended from the latent Dirichlet allocation (LDA)
model (?) to detect sentiment and topic simultane-
ously from text. The only superv...
Tài liệu Báo cáo khoa học: "The QuALiM Question Answering Demo: Supplementing Answers with Paragraphs drawn from Wikipedia" ppt
... the
QuALiM Question Answering system. While
the system actually gets answers from the web
by querying major search engines, during pre-
sentation answers are supplemented with rel-
evant passages from ... improves a
user’s search experience.
1 Introduction
This paper describes the online demo of
the QuALiM
1
Question Answering system
(http://demos.inf.ed.ac.uk:8080/qualim/). We
wi...
Báo cáo khoa học: "Automatic Compilation of Travel Information from Automatically Identified Travel Blogs" doc
... 'www.travelblog.org' and
'travel.blogmura.com' are portal sites for travel
blogs. At these sites, travel blogs are manually
registered by bloggers themselves, and the blogs
are ...
blogs, which are defined as travel journals writ-
ten by bloggers in diary form. Travel blogs are
considered a useful information source for ob-
taining travel information, because many bl...
Báo cáo khoa học: "Opinion Mining Using Econometrics: A Case Study on Reputation Systems" pdf
... in this paper are available from
http://economining.stern.nyu.edu.
There are many other applications beyond reputa-
tion systems. For example, using sales rank data from
Amazon.com, we can examine ... the
semantic orientation and the strength of an evaluation
from the changes in the observed economic variable.
Following this idea, we use techniques from econo-
metrics to identify the...
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