báo cáo khoa học: " Insite: Canada''''''''s landmark safe injecting program at risk" doc

... information relating to safer injecting practices. Those who received help injecting from fellow injection drug users on the streets were more than twice as likely to have received safer injecting ... lethal over- dose deaths: based on a 25% hospitalization rate (includ- ing psychiatric) among 453 overdoses treated at In Site, if these overdoses occurred in the community. At a 2–5 d...

Ngày tải lên: 11/08/2014, 20:20

... Melatonin up-regulates antioxidative enzymes, such as glutathione peroxidase, glutathione reductase and glucose 6-phosphate dehydrogenase. At the mitochondria, melatonin reduces radical formation and ... thereafter conjugated with sulfate to be excreted as 6-sulfatoxymelatonin (aMT6S); glucuronide conjugation is extremely limited [6]. CYP2C19 and, at lower rates, CYP1A2 also demethylate m...

Ngày tải lên: 19/02/2014, 06:20

... Thesaurus and WordNet perform in three ap- plications – measuring word relatedness, synonym identification, and sentence relatedness. 3.1 Word relatedness Relatedness can be measured by the closeness ... sentence representation that attempts to leverage the struc- ture found in Roget’s Thesaurus and similar lexi- cal ontologies (among them WordNet). We have shown that given this style of text...

Ngày tải lên: 20/02/2014, 09:20

... specify immediate versus non-immediate dominance; the ability to negate relationships (e.g. a VP that does not immediately dominate an NP); the ability to specify that words should match on all ... Natural language annotation is accomplished via a parallel, database-centric annotation architecture (Elkiss, 2003). A configuration specification identifies dependencies between annotatio...

Ngày tải lên: 20/02/2014, 15:20

... pita pita (5) data data (6) phita phite (7) ladka ladke Nom. Plu. pita data phite ladke Ob. Plu. pitao dat ao phito ladko Table 1: Behaviour of certain Hindi words that use Sanskrit ... tagged with the appropriate sense and with duplicated phono- logical rules. But introducing artificial lexical rep- resentations has the disadvantage that two-level rules that assume the sa...

Ngày tải lên: 20/02/2014, 21:20

... PRELIMINARY FINDINGS Initial trials indicate that, once the processing- complexity algorithm is tuned appropriately, FELICITY can approximate the null~subject output patterns found in English-speaking ... Agreement features. Future enhancements to the model are planned with these applications in mind. ACKNOWLEDGMENTS This material is based upon work supported under a National Science...

Ngày tải lên: 20/02/2014, 21:20

... for automatic evaluation of MT performance. To score a system translation, BLEU tabulates the number of n-gram matches of the system translation against one or more reference translations. Gener- ally, ... determine match tri by counting the number of trigram matches. Lemma match For the remaining set of n-grams that are not yet matched, we now relax our matching criteria by allowing a match...

Ngày tải lên: 08/03/2014, 01:20

... S PB EN CH . The relations contain a substantial number of er- rors, originating from POS-tagging errors in the BNC, attachment ambiguities, or limitations of the pattern-matching grammar. However, ... adjectives (Kilgarriff and Run- dell, 2002). These evaluations demonstrate that WASP- BENCH does support accurate, efficient, semi- automatic, integrated meaning analysis and WSD 6 We would l...

Ngày tải lên: 24/03/2014, 03:20

... topic-based summarization, information extraction, and document exploration. The document exploration functionality includes identification of semantically similar concepts and dynamic ontology creation. ... question answering. 4 Summarization Litkowski (2003a) indicated the possibility that the XML representation of documents could be used for summarization. To investigate this possibility,...

Ngày tải lên: 31/03/2014, 03:20

... glutathione sulfonic acid and HMGSH (Fig. 3). From the spectra of these glutathione conjugates it is evident that oxidation of the glutathione sulfur effects fragmentation in such a way that the ... of glutathione conjugates (Fig. 2 [34]). However, the spectra differ in that the ion at m/z 307, specific for the glutathione conjugation moiety is absent in MS/MS spectrum of the ion at m/z 33...

Ngày tải lên: 31/03/2014, 07:20