Tài liệu Báo cáo khoa học: "Finding Synonyms Using Automatic Word Alignment and Measures of Distributional Similarity" pdf

... semantically related words using measures of distributional similarity, but these typically are not able to distin- guish between synonyms and other types of semantically related words such as antonyms, ... similarity: one using syntactic context and one using translational context based on word alignment and the combination of both. For both approaches, we used a...

Ngày tải lên: 20/02/2014, 12:20

... np(wordk) x Xk,15) all paths In formula (5), wordk is a word in the word lattice, and each selected word does not share any frames with any other selected words. np(wordk) is the number of ... best when the num- ber of words in keyword dictionary was about 800. In his method, duration of discourses of switch board corpora is rather long and there are many keywords in...

Ngày tải lên: 20/02/2014, 18:20

... egulation of their expression speci®cally depends on the nature of HSPG and of the Sertoli cell developmental stage. In conclusion, HSPG are partners and the target of bFGF in rat Sertoli cells. Keywords: ... using Polaroid ®lm under UV light and ana- lysed using a AGFA SnapScan 1200 P Scanner Ò , Adobe Ó FEBS 2002 HSPG, target and partners of bFGF (Eur. J. Biochem. 269)...

Ngày tải lên: 21/02/2014, 03:20

... most five words and weasel tags are mostly inserted behind weasel words or phrases. Each word within these 5-grams receives an in- dividual score, based a) on the relative frequency of this word in ... number of times word w oc- curred in the context of a weasel tag, whereas C(w) denotes the total number of times w oc- curred in the corpus. The basic idea of the RelF score is...

Ngày tải lên: 20/02/2014, 09:20

... domain at hand. SemCor comprises a relatively small sample of 250,000 words. There are words where the first sense in WordNet is counter-intuitive, because of the size of the corpus, and because ... Package 0.05 and WordNet version 1.6. 2 The WordNet Similarity package supports a range of WordNet similarity scores. We experimented using six of these to pro- vide the in equation...

Ngày tải lên: 20/02/2014, 16:20

... those of Word- Net. Table 5 shows the parts of "car" in WordNet that are not in our top 20 (+) and the words in our top 20 that are not in WordNet (-). There are defi- nite tradeoffs, ... number of correct part words in the top 10, 20, 30, 40, and 50 parts for each seed (e.g., for "book", 8 of the top 10 are parts, and 14 of the top 20). Over- all, a...

Ngày tải lên: 20/02/2014, 19:20

... cycle. Materials and methods Cloning and construction of zebrafish RPE65c expression vectors The cornea and lens were removed from enucleated zebrafish eyes, and total RNA was extracted from the eyecups using Trizol ... the absorption spectrum of each retinoid standard. Isomerohydrolase activity was calculated from the area of the 11cROL and 13cROL peaks and expressed as the...

Ngày tải lên: 14/02/2014, 14:20

... of CBMs. Results and Discussion Genetic engineering of the SBS Residues of the SBS of both XBS and XAN involved in substrate interaction were selected based on the crystal structures of XBS and ... NMR-monitored titrations of Bacillus circulans xylanase [13] and X-ray analysis of crystals of catalytically incompetent mutants of the xylanases of Bacillus subtilis (X...

Ngày tải lên: 14/02/2014, 19:20

... anti-FLAG and blotted with anti-GFP to reveal Bid and tBid coimmunoprecipitation. (B) 293T cells were cotransfected with constant amounts of rLuc–Itch and various amounts of either Bid–GFP of tBid–GFP. ... through downregulation of tBid, providing further details on how EGF receptor and proteasome inhibitors can contribute to the induction of apoptosis and the treatment o...

Ngày tải lên: 16/02/2014, 09:20

... size of the P1¢ group in APV relative to that of SQV. Also, the flexible side chains of Asp30 and Asp30¢ accommodate diverse functional groups at P2 and P2¢ of SQV and APV at the surface of the ... into the mechanisms of resistance and help in the design of new inhibitors. Results APV inhibition of PR and mutants The kinetic parameters and inhibition constants of...

Ngày tải lên: 18/02/2014, 04:20