Báo cáo khoa học: "Discovering the Discriminative Views: Measuring Term Weights for Sentiment Analysis" doc
Báo cáo khoa học: "Discovering the Discriminative Views: Measuring Term Weights for Sentiment Analysis" doc
... where the terms
appear together. One way of measuring the prox-
imity of terms is using the syntactic structures.
Given the dependency tree of the text, we model
the association between two terms ... is the frequency of w in d, | d | is the
number of unique terms in d, avgdl is the average
| d | of all documents, N is the number of doc-
uments in the collection, df(w...
Tài liệu Báo cáo khoa học: "A study of Information Retrieval weighting schemes for sentiment analysis" doc
... localizing the estimation of idf to the
documents of one or the other class and subtract-
ing the two values. Therefore, the weight of term
1388
Table 2: SMART notation for inverse document
frequency ... 1: SMART notation for term frequency vari-
ants. max
t
(tf) is the maximum frequency of any
term in the document and avg dl is the average
number of terms in all th...
Báo cáo khoa học: "Argumentative Feedback: A Linguistically-motivated Term Expansion for Information Retrieval" doc
... 2006).
Query and document weighings are provided in
Equation (1): the dtu formula is applied to the
documents, while the dtn formula is applied to
the query; t the number of indexing terms, df
j
the number ... which
Q
denotes the new query built from the previ-
ous query Q, and w
ij
denotes the indexing term
weight attached to the term t
j
in the document
D
i
. By...
Báo cáo khoa học: "Discovering the Lexical Features of a Language" pot
... unbounded,
then it cannot be part of the innate Universal Gram-
mar and must be learned. Even if the set is not un-
bounded, the child is still left with the challenging task
of determining ... information in conjunction with
information about the subcategorization properties of
the verb may be sufficient for learning verb features.
This paper takes Gleitman's suggest...
Tài liệu Báo cáo khoa học: "Modeling the Translation of Predicate-Argument Structure for SMT" ppt
... and the boundary
words of the argument. On the target side, the trans-
lation of the verbal predicate, the translation of the
head word of the argument, as well as the boundary
words of the translation ... in the argument
reordering model. We extract features from both the
source and target side. On the source side, the fea-
tures include the verbal predicate, t...
Tài liệu Báo cáo khoa học: "ON THE REPRESENTATION OF QUERY TERM RELATIONS BY SOFT BOOLEAN oPERATORS" ppt
... attached to the
terms. Thus instead of terms A and B, the
system processes terms (A.a) and
(B,b)
respectively, where a and b designate the
weights of terms A and B.
b)
c)
d)
The extended ...
value for each and-operator. The higher
the p-value, the more similar • the
corresponding operator will be to the com-
pulsory Boolean and. Correspondingly, the
smaller...
Báo cáo khoa học: "Cutting the Long Tail: Hybrid Language Models for Translation Style Adaptation" doc
... the graph.
Tree Tagger (Schmid, 1994) and then choosing
the most likely tag for each word type. In this
way, we avoid the overload of searching for the
best tagging decisions at run-time at the ... translation hypotheses
before LM querying
8
. The order of the additional
LM is set to 10 in the Arabic-English evaluation
and 7 in the English-French, as these appeared to
be...
Báo cáo khoa học: Bridging the gap between in silico and cell-based analysis of the nuclear factor-jB signaling pathway by in vitro studies of IKK2 ppt
... for binding GST-IjBa in the presence and absence
of ATP, and the value of a indicates whether the binding
of one substrate (ATP) affects the affinity of the enzyme
for the other substrate (GST-IjB ... block
the activity of another IKK isoform, IKK1. Conse-
quently, IjBa may still be phosphorylated by the IKK1
isoform when the IKK1 isoform is present and activ-
ated in th...
Báo cáo khoa học: "On the Computational Complexity of Dominance Links in Grammatical Formalisms" doc
... k
for
some 0 < i ≤ n occurs in the reduced grammar.
Note that the choice of the encoding of k is ir-
relevant, as k = 1 is enough for the lower bound,
and k only logarithmically influences the ... and membership for the various
formalisms that embed UVG-dls.
Unsurprisingly in the light of their importance
in different fields, several authors have started in-
vestigating...
Báo cáo khoa học: "Improving the Interpretation of Noun Phrases with Cross-linguistic Information" doc
... (F1–F7).
The table shows that, overall the performance is
better for the Europarl corpus than for CLUVI. For
the Baseline and SV M
1
, SS [F1 + F2] gives bet-
ter results than SVM. The inclusion of other ... corpora and the
contribution the features exemplified in one baseline
and six versions of the SVM model. The baseline is
defined only for the English part of th...