Tài liệu Báo cáo khoa học: "Arabic Tokenization, Part-of-Speech Tagging and Morphological Disambiguation in One Fell Swoop" pdf

... approach to using a mor- phological analyzer for tokenizing and morphologically tagging (including part- of-speech tagging) Arabic words in one process. We learn classifiers for individual morphological ... conjunction prefix (+ +w and ) and a pronominal possessive suffix ( + +y ‘my’). In our approach, tokenizing and morphologically tagging (including part-of-speech tagging...

Ngày tải lên: 20/02/2014, 15:20

... hints to link the meanings and writings of Chinese characters. For instance, “河”(he2, river) [Note: Chinese char- acters will be followed by their pronunciations, denoted in Hanyu pinyin, and, ... challenging task for learners of Chinese. To read everyday news articles, one needs to learn thou- sands of Chinese characters. The official agents in Taiwan and China, respectivel...

Ngày tải lên: 19/02/2014, 19:20

... details in (Demner-Fushman and Lin, 2005; Demner-Fushman and Lin, 2006 in press). 4.2 Semantic Clustering Retrieved MEDLINE citations are organized into semantic clusters based on the main interventions identified ... et al., 2001; Lawrie and Croft, 2003). Our work, which is situated in the domain of clinical medicine, lies at the intersection of ques- tion answering, information r...

Ngày tải lên: 20/02/2014, 12:20

... sentence in those reviews collected from each domain with the features described in Section 3.1. We divided the data for training and testing. We then trained our model using the training set and ... observation in online reviews, most reviews have both pros and cons even if sometimes one of them dominates. 3 Finding Pros and Cons This section describes our approach for...

Ngày tải lên: 20/02/2014, 12:20

... tuning corpus (different tuning for different tasks). 2 Morphological Disambiguation Tasks for Arabic We define the task of morphological tagging as choosing an in ectional morphological tag (in this ... mor- phological tagging tasks, subsuming MorphPart and MorphPOS, and DiacFull is the hardest lexical task, subsuming DiacPart, which in turn subsumes LexChoice. However, Mo...

Ngày tải lên: 20/02/2014, 09:20

... resolu- tion. We compare a baseline system of exact mention string-matching to ones that include local mention context information as well as information from an existing machine translation system. ... engine to find documents about one of them, we are likely also to find documents about the other. Improving our ability to find all documents referring to one and none referring to the othe...

Ngày tải lên: 20/02/2014, 09:20

... shuffling in this respect is in- evitable. 2.3 Tree post-processing Completion of the dependency tree also involves pruning of subtrees which are co-indexed with some trace, and attaching them in ... sentence in the dependency analytical description, showing the nodes and their functions in the hierarchy. head child of each node in a phrase structure, using the head percolatio...

Ngày tải lên: 22/02/2014, 02:20

... agents, like those interfering with hemozoin polymerization in the vacuole (chloroquine, quinine, mefloquine and other alkaloids), the dihydro- folate pathway (pyrimethamine, sulphadoxine, progua- nil), ... Accordingly, an additional inhibition assay was performed using P. falciparum protein extracts and including cathepsin D (an aspartic protease) and the aspartic protease inhibitor p...

Ngày tải lên: 14/02/2014, 14:20

... participating Table 1. Amino acid frequencies (%) in a-amylase linkers, in a set of globular proteins, in the Swiss-Prot databank and in intrinsically unstructured proteins. Amino acid Linkers a Globular proteins b Swiss-Prot c Intrinsically unstructured proteins b Ala ... of this domain in recently available sequence and genome databanks. Interestingly, this domain was found i...

Ngày tải lên: 14/02/2014, 18:20

... solid line), in the presence of 100 l M neurotoxin ( • , dotted line), in the presence of 200 l M neurotoxin ( , dotted line) and in the presence of neurotoxin and 50 l M dopamine (h, dashed line). Modulation ... K, Kuroiwa Y et al. (2008) RNA-binding protein TLS is a major nuclear aggregate-interacting protein in hunting- tin exon 1 with expanded polyglutamine-expressing cells. J...

Ngày tải lên: 14/02/2014, 19:20