their polarities exploration of pipelines

... Linguistics Extracting Opinion Expressions and Their Polarities – 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...

Ngày tải lên: 07/03/2014, 22:20

Ngày tải lên: 01/06/2014, 13:59

... by means of their 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...

Ngày tải lên: 20/02/2014, 05:20

... 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...

Ngày tải lên: 08/03/2014, 02:21

... 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 Exploration of ... fifty to seventy- Official Report of the Exploration of 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...

Ngày tải lên: 23/03/2014, 08:21

... 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 Exploration of ... feet in hight. Official Report of the Exploration of the Queen Charlotte Islands 34 We found Chief Skidegate and about twenty of his people catching their spring supply of a very fine small...

Ngày tải lên: 23/03/2014, 10:21

Ngày tải lên: 23/03/2014, 11:21

Ngày tải lên: 30/03/2014, 01:20

... 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...

Ngày tải lên: 30/03/2014, 16:20

... 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 ... Exploration of 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...

Ngày tải lên: 30/03/2014, 17:20

... systematic exploration of 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 exploration of 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...

Ngày tải lên: 30/03/2014, 21:20

... 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...

Ngày tải lên: 31/03/2014, 03:20

... 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...

Ngày tải lên: 31/03/2014, 21:21

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