Báo cáo khoa học: "Efficient sentence retrieval based on syntactic structure" pdf

... COLING/ACL 2006 Main Conference Poster Sessions, pages 399–406, Sydney, July 2006. c 2006 Association for Computational Linguistics Efficient sentence retrieval based on syntactic structure Ichikawa ... an efficient method of sentence retrieval based on syntactic structure. Collins proposed Tree Kernel to calculate structural similarity. However, structual retrieval base...

Ngày tải lên: 31/03/2014, 01:20

... transcription (STATs) are a family of transcription factors that are activated in response to cytokines regulating cell proli- feration, differentiation, inflammation, the immune response, apoptosis ... H, Minton S, Muro-cacho CA, Cox CE, Falcone R, Fairclough R, Parsons S et al. (2001) Constitutive activation of Stat3 by the Src and JAK tyrosine kinases participates in growth regulation of hu...

Ngày tải lên: 18/02/2014, 08:20

... 3¢-ligation substrate. Ligation reactions were carried out under conditions involving equimolar concentrations of ribo- zyme and ligation fragments, as well as under single turnover conditions (Table ... (detection of fluorescein emis- sion upon excitation at 488 nm), but also by virtue of their unique fluorescence at 700 nm using a LI-COR DNA sequencer (detection of Cy5 emission upon exci- tat...

Ngày tải lên: 20/02/2014, 01:20

... absolute error in cosine approximation when using a projection based on N(0, 1), compared to {−1, 0, 1}. Unit Stream Based on a unit projection, we can view an online counter as summing over a stream drawn ... addition or subtraction operations on a traditional 32-bit counter. This leads to a tradeoff in space vs. time, where a high-throughput streaming application that is not conce...

Ngày tải lên: 20/02/2014, 04:20

... for controlling nonspecific responses to siRNA. FEBS J 277, 4828–4836. 18 Katze MG, Wambach M, Wong ML, Garfinkel M, Meurs E, Chong K, Williams BRG, Hovanessian AG & Barber GN (1991) Functional ... by Walton et al. [16]. In addition, siRNA can also induce adverse effects such as immune responses, as discussed by Samuel-Abraham & Leonard [17]. siRNA may induce interferon responses either...

Ngày tải lên: 06/03/2014, 01:23

... the second-order sibling fac- torization to parts containing multiple siblings (McDonald and Pereira, 2006, also see Section 6 for discussion). In this section, we show how our g-span -based techniques ... of m’s constituent. The point of concatenation in each construction—m in Figure 2(a) or r in Fig- ure 2(b)—is the split point, a free index that must be enumerated to find the optimal const...

Ngày tải lên: 07/03/2014, 22:20

... expansion. 4 Extension to the Perceptron The discussion we have made so far can be applied to perceptrons. This can be clarified by comparing the score functions f(x, y). In HMMs, the score function ... as- sumption that the hidden states can be embed- ded in a grid space, and the transition probabil- ity corresponds to the distance on that space. This type of probability distribution is not...

Ngày tải lên: 07/03/2014, 22:20

... splits, training on sections 2 to 21, test- ing on section 23 and doing development on section 22. Previous work on (non-reranking) discrimina- tive parsing has given results on sentences of length ≤ ... a 14% relative reduction in errors over previous work on WSJ15. 2 The Model 2.1 A Conditional Random Field Context Free Grammar (CRF-CFG) Our parsing model is based on a condi...

Ngày tải lên: 08/03/2014, 01:20

... after transfection. The expression of GAPDH mRNA was monitored as internal control. Ó FEBS 2003 Inhibition of b-secretase gene expression (Eur. J. Biochem. 270) 3965 430-bp product only after more ... under co-amplification conditions 36 h after transfection. An agarose gel electrophoresis of the RT/PCR products demonstrates that the level of the 150-bp control product is constant for all six...

Ngày tải lên: 08/03/2014, 08:20

... node. Limit- ing the amount of horizontal context on which a production is conditioned is important when the treebank contains many unique constituents which can only be parsed by stringing together ... variables X 1 and X 2 occurring in a non-terminal on the RHS, X 1 precedes X 2 on the LHS iff X 1 precedes X 2 on the RHS. Every production has a fan-out determined by the fan-out of t...

Ngày tải lên: 08/03/2014, 21:20