... Linguistics
Extracting Opinion Expressions and TheirPolarities – Exploration of
Pipelines and Joint Models
Richard Johansson and Alessandro Moschitti
DISI, University of Trento
Via Sommarive 14, 38123 Trento ... pair of opinions in the
sentence, we add the pair of polarities: NEG-
ATIVE+NEGATIVE.
Polarity pair and syntactic path. For a pair
of opinions, we use the polarities and a
representation of the ... Kernels for Short Text Pair Categorization. In
Proceedings of the 12th Conference of the European
Chapter of the ACL (EACL 2009), pages 57 6–5 84,
Athens, Greece, March. Association for Computa-
tional...
... by
means oftheir collocation degree and the frequency
of their relative positions in sentences extracted from
web snippets; cf. (Figueroa and Neumann, 2006)
who demonstrated the effectiveness of this ... web–based question answering.
Finally, we compute the frequencies of each
chunk, each chunk pair, and each chunk pair dis-
tance. The set of all these frequencies establishes
the chunk–pair–distance ... G = (V, E, A) consists of a
set V of nodes, a set E of edges, and a set A of node
actions. Each node v ∈ V represents a chunk and
is labeled with the corresponding PoS–tagged word
group. Node...
... pres-
ence or absence of one set of terms provides in-
formation about the probabilities of the presence
or absence of another set of terms, has been
widely accepted in recent studies of information ... pages 9 7–1 00,
Prague, June 2007.
c
2007 Association for Computational Linguistics
Exploration of Term Dependence in Sentence Retrieval
Keke Cai, Jiajun Bu, Chun Chen, Kangmiao Liu
College of Computer ... (Li and Croft
2005). A lot of different approaches have been
proposed for this service, but most of them are
based on term matching. Compared with docu-
ment, sentence always consists of fewer...
... Commissioner of Lands and Works of the Province
of British Columbia: —SIR—On the 5th of May, having secured the
services of two Hyda Indians, one a native of Ninstints, the extreme
southern village of ... of the islands south of
Skidegate Channel leaves but little room at any point for an interior
beyond the range of the human eye, when standing upon the
Official Report of the Explorationof ... fifty to seventy-
Official Report of the Explorationof the Queen Charlotte Islands
38
rushing in and out at the time of our arrival, hundreds jumping their
full length out of the water. Though...
... Commissioner of Lands and Works of the Province
of British Columbia: —SIR—On the 5th of May, having secured the
services of two Hyda Indians, one a native of Ninstints, the extreme
southern village of ... of the islands south of
Skidegate Channel leaves but little room at any point for an interior
beyond the range of the human eye, when standing upon the
Official Report of the Explorationof ... feet in hight.
Official Report of the Explorationof the Queen Charlotte Islands
34
We found Chief Skidegate and about twenty of his people catching
their spring supply of a very fine small...
... problem of avant-garde artworks
and rescue aesthetic theories of art. An obvious reaction is to deny that works such as
Fountain are in fact art. This serves to shrink the domain of art to that of ... avant-garde works thus removing the majority of
counterexamples to the aesthetic theory of art. However, the nature of avant-garde art
means that since the era of Duchamp’s readymade artworks, the ... Journal of Aesthetics, Vol. 4, No. 1, April 2007
C
AN
A
ESTHETIC
T
HEORIES OF
A
RT
B
E
R
ESCUED
F
ROM THE
P
ROBLEM OF
A
VANT
-G
ARDE AND
O
THER
N
ON
-P
ERCEPTUAL
A
RTWORKS
?
– A
N...
... Manning (2003).
318
Parsing Translation
Train CTB 1–8 15 FBIS
CTB 110 1–1 136
Dev CTB 90 0–9 31 NIST 2002
CTB 114 8–1 151
Test CTB 81 6–8 85 NIST 2003
CTB 113 7–1 147
Table 1: Data used for training and testing ... Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics, pages 31 7–3 21,
Jeju, Republic of Korea, 8-14 July 2012.
c
2012 Association for Computational Linguistics
An Exploration ... Explorationof Forest-to-String Translation:
Does Translation Help or Hurt Parsing?
Hui Zhang
University of Southern California
Department of Computer Science
hzhang@isi.edu
David Chiang
University of...
... systematic explorationof implemented grammars
Antske Fokkens
Department of Computational Linguistics, Saarland University &
German Research Center for Artificial Intelligence (DFKI) Project Of ce ... approach facilitates the system-
atic explorationof grammars through compar-
ison of competing analyses. The idea is illus-
trated through a comparative study of auxil-
iary structures in HPSG-based ... generation to explore alternative versions of a
grammar over time. In particular, it should pro-
vide an indication of the feasibility of maintaining
a higher number of competing analyses as the gram-
mar...
... subgraph G to a set of splits,
each of which records which fragment of G should
be placed at the root of the solution, what the sub-
graphs after removal of this fragment are, and how
their solutions ... descriptions
by describing sets of trees that are encodings of the
formulas of some language of semantic representa-
tions, such as predicate logic.
Fig. 1 shows an example of a constraint graph for
the ... reads a book.” It con-
sists of five tree fragments – sets of nodes that are
connected by (solid) tree edges – which are con-
nected by dominance edges (dotted lines). Two of
the fragments have two...
... minutes of an aerobiosis, small
amounts of sodium dithionite solution were added to attain a level of
reduction of heme b and hemin of 9 0–9 5%. Sequential additions of
small aliquots (0.2 lL) of a ... formation
of INT
ox
. In this mechanism, the superoxide O
2
–
is no
longer considered as the product of reduction of O
2
at the
heme level of fl avocytochrome b, but rather as the product
of reduction of ... represents
roughly half of the total amount of flavocytochrome b.
Fig. 4. Effect of benzylimidazole on the EPR s pectra of isolated flavo-
cytochrome b and hemin. Traces a–c are EPR sp ectra of purified fl avo-
cytochrome...