Báo cáo khoa học: "Efficient solving and exploration of scope ambiguities" pot

... Proceedings of the ACL Interactive Poster and Demonstration Sessions, pages 9–12, Ann Arbor, June 2005. c 2005 Association for Computational Linguistics Efficient solving and exploration of scope ambiguities Alexander ... subgraph G to a set of splits, each of which records which fragment of G should be placed at the root of the solution, what the sub- graphs after remov...

Ngày tải lên: 31/03/2014, 03:20

... likelihood of the parse tree, given the sentence, not joint like- lihood of the tree and sentence; and (b) probabil- ities are normalized globally instead of locally – the graphical models depiction of ... consists of (Manning and Sch¨utze, 1999): (i) a set of termi- nals {w k },k = 1, ,V; (ii) a set of nonterminals {N k },k = 1, ,n; (iii) a designated start symbol ROOT;...

Ngày tải lên: 08/03/2014, 01:20

... weight of a path is calculated as the product of the weights of its edges, and that the weight of a (not necessarily finite) set T of paths is calculated as the sum of the weights of the paths of ... on-the-fly and bucket brigade algorithms, and also discussed the possibility of embed-compose-project and of ine composition strategies to application of cascades of...

Ngày tải lên: 17/03/2014, 00:20

... (Veltkamp and Tanase, 2000). Content-based indexing and re- trieval of images is based on features such as colour, texture, and shape. Yet, image understand- ing is not well advanced and is very ... Ontology and Indexing Terms We have made use of the British Police Infor- mation Technology Organisation Common Data Model and a collection of formal reports produced by scene o...

Ngày tải lên: 22/02/2014, 02:20

... reported in terms of the F-measure, which is the harmonic mean of precision and recall. The first column in both tables indicates the possi- ble names or newgroups, and the number of contexts associated ... the percentage of the majority class (MAJ.) and count (N) of the total number of contexts for the names or newsgroups. The majority percentage provides a simple baseline f...

Ngày tải lên: 08/03/2014, 04:22

... after 16, 24 and 48 h of culture using trypan blue staining. (C) Cells were treated with 0.5, 1 and 2 lg of hpST3dODN and 1 and 2 lg of control ODN for 6 h or with lipids only; after 48 h of culture, ... with IFN-c induces cell death of SW480 cells. (A) SW480 cells were incubated in the absence of IFN-c or with 10, 100 and 200 ngÆmL )1 for 4, 24 and 48 h of incubatio...

Ngày tải lên: 18/02/2014, 08:20

... structure of the reverse-joined ribozyme unit for twin ribozyme design consists of two domains joined by a single-stranded linker of eight adenosine residues and binds the 3¢-terminal part of its ... Addition of the fragment S20 cp led to the for- mation of new products detected as three additional bands (lanes 3 and 4). These signals correspond to the 29- and 35-mer resulti...

Ngày tải lên: 20/02/2014, 01:20

... 4827 MINIREVIEW Efficient and targeted delivery of siRNA in vivo Min Suk Shim 1 and Young Jik Kwon 1,2,3 1 Department of Chemical Engineering and Materials Science, University of California, Irvine, ... with a strand of siRNA, and the other siRNA strand was subsequently annealed to the aptamer-conjugated strand. These aptamer–siRNA conjugates were able to access HIV- infected c...

Ngày tải lên: 06/03/2014, 01:23

... Warashina 2 , Kazunari Taira 2 and Wojciech J. Stec 1 1 Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Department of Bioorganic Chemistry, Lodz, Poland; 2 Gene Function Research ... the cleavage of phosphodiester bonds in RNA. This ability makes ribozymes useful molecular tools for very selective degradation of mRNA and inhibition of expression...

Ngày tải lên: 08/03/2014, 08:20

... Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 163–171, Suntec, Singapore, 2-7 August 2009. c 2009 ACL and AFNLP Efficient Minimum Error Rate Training and Minimum ... They approximated log(BLEU) score by a linear function of n-gram matches and candidate length. If E and E  are the reference and the candidate translations respec- t...

Ngày tải lên: 23/03/2014, 16:21