Báo cáo khoa học: "Cohesion and Collocation: Using Context Vectors in Text Segmentation" pptx

... the input text, and at pre-determined intervals (every 10 words), the vec- tors associated with the words in each window are added up, and the cosine between the resulting win- dow vectors ... Considering the additional effort and resources involved in using context vec- tors, the modest boost in performance might often not be worth the effort in practice. This sug...

Ngày tải lên: 17/03/2014, 07:20

... Loper, Szu ting Yi, and Martha Palmer. 2007. Combining lexical resources: Mapping between prop- bank and verbnet. In In Proceedings of the 7th Inter- national Workshop on Computational Linguistics. Yashar ... functions. In Pro- ceedings of CoNLL’09. Daniele Pighin and Alessandro Moschitti. 2009b. Re- verse engineering of tree kernel feature spaces. In Pro- ceedings of EMNLP, pages...

Ngày tải lên: 23/03/2014, 14:20

... heatings of the sample are represented in continuous line, second heating in dashed lines, third heating in dotted lines and fourth heating in dashed-dotted lines. 4126 A. I. Azuaga et al. (Eur. J. ... and its domains help to clarify inconsistencies existing in previous reports concerning the number of cooperative folding units in this multidomain protein. We have also carried...

Ngày tải lên: 21/02/2014, 03:20

... after charring in perchloric acid, according to Fiske and Subar- row [39] and modified as in Svennerholm and Vanier [40]. Protein determination Protein was quantitated using the protein quantitation ... proteins were also detected in the high-density caveolae. In response to insulin, the insulin receptor autophosphorylation and the amount of insulin-regulated glucose transpor...

Ngày tải lên: 16/03/2014, 13:20

... between Japanese and English. 157 feature extraction (contextual, syntactic, and word- based features), and classification. In this section, we describe the underlying idea of contextual features and how contextual ... pairs from a single text were not divided into the training and test sets. We also divided pairs of NEs into two types: (A) intra-sentential and (B) inter-senten...

Ngày tải lên: 17/03/2014, 04:20

... the internal evidence found within the word and/ or word string itself while the second is the external evidence gathered from its context. In order to effectively apply and integrate internal ... Such constraints have been used in Viterbi decoding algorithm to ensure valid NE chunking. 0 1 2 3 0 Valid Valid Invalid Invalid 1 Invalid Invalid Valid on Valid on 2 Invalid Inval...

Ngày tải lên: 17/03/2014, 08:20

... transitions) in the lattice. Each possible index triple (i.j.e) defines a grid point in the lattice, and we have the following set of possi- ble transitions fi'om one grid point to another ... unigram and a bigram language model using the standard set of 80 000 training sen- tences. The results are shown in Table 5. The 294 Table 4: Examples from tile EuTrans task: O...

Ngày tải lên: 17/03/2014, 23:20

... characteristics in RA patho- genesis [1]. FLSs play a key role in the development of sustained in ammation and angiogenesis in arthritic joints [2–4]. Several cytokines and RA factors existing in the ... in less severe disease and reduces cytokine levels in tissue in vivo [8]. In RA synovium, FLSs express both tumor necrosis factor-a (TNF-a) and Fas receptors, and t...

Ngày tải lên: 23/03/2014, 07:20

... observed. Fig. 2. Main activity and interactions of GS upstream and intron modules in FTO-2B hepatoma and C2/7 muscle cells. Main activities and interactions (±95% confidence interval) were calculated ... the minimal promoter and minimized first intron. Panels III and IV show activities of combinations of upstream enhancer and the entire upstream region, respectively, in conju...

Ngày tải lên: 23/03/2014, 20:22

... can initi- ate a caspase cascade upon binding of ligands such as Fas ligand, TNF-a or TNF-related apoptosis-inducing ligand [3]. Although caspases play a crucial role in cell death, increasing ... the striatal neurons degenerate. In Alzheimer’s disease (AD) and Parkin- son’s disease (PD), cholinergic neurons in the basal forebrain and dopaminergic neurons in the nigro-stria- tal s...

Ngày tải lên: 29/03/2014, 08:20