... et al., 2008; Utiyama and Isahara, 2003; Munteanu and Marcu, 2005; Fung and Cheung, 2004). The novel algorithm is successfully eval- uated on news data for two language pairs. A related approach ... com- parable data (Munteanu and Marcu, 2005). For a given source sentence S, a max- imum entropy (ME) classifier is applied to a large set of candidate target transla- tions . A beam-search algorithm ... be applicable to other NLP extraction task, e.g. named entity extraction. Rather then employing a cascade of filtering steps, a one-stage search with a specially adopted feature set and search...
Ngày tải lên: 17/03/2014, 02:20
Ngày tải lên: 22/06/2014, 23:20
A dynamic programming algorithm for RNA structure
... are energyminimizationalgorithms(Schusteretal., 1997).Whilenotasaccurateascomparative sequence analysis, these algorithms have still pro- ven to be useful research tools. Thermodynamic parameters are available ... characterized bytheTurnergroup(Freieretal.,1986).Dangling bases can also appear inside multiloop diagrams. Notice also that the coaxial diagram in equation (11) really corresponds with four new diagrams because once we allow pairing, dangling bases also ... calculate the gap matrices. For a given gap matrix, we have to con- sider all the different ways that its diagram can be assembled using one or two matrices at a time. (Again, Feynman diagrams...
Ngày tải lên: 12/01/2014, 22:07
Báo cáo khoa học: "Paragraph-, word-, and coherence-based approaches to sentence ranking: A comparison of algorithm and human performance" ppt
... different approaches to sentence ranking: A simple paragraph-based approach intended as a baseline, two word-based approaches, and two coherence-based approaches. In the paragraph-based approach, ... sentence ranking 2.1 Paragraph-based approach Sentences at the beginning of a paragraph are usually more important than sentences that are further down in a paragraph, due in part to the way people ... number importance ranking NoParagraph WithParagraph Figure 6. Human ranking results for one text (wsj_1306). that there was a coherence tree annotation available in Carlson et al. (2002)’s database....
Ngày tải lên: 17/03/2014, 06:20
Standardized evaluation methodology and reference database for evaluating coronary artery centerline extraction algorithms pot
... multi-planar reformatting (MPR), and curved planar reformatting (CPR) are used to review CTA data (Cademartiri et al., 2007). CPR and MPR images of coronary arteries are based on the CTA image and a ... et al. / Medical Image Analysis 13 (2009) 701–714 705 Standardized evaluation methodology and reference database for evaluating coronary artery centerline extraction algorithms Michiel Schaap a, * , ... algorithms, (3) a database con- taining 32 cardiac CTA datasets with corresponding reference standard is described and made available, and (4) 13 coronary artery centerline extraction algorithms,...
Ngày tải lên: 30/03/2014, 13:20
Báo cáo khoa học: "A Polynomial-Time Algorithm for Statistical Machine Translation" pot
... "stack search" similar to A* methods. One of the primary obstacles to making the statis- tical translation approach practical is slow speed of translation, as performed in A* fashion. ... search for statistical machine transla- tion. In PACLIC-IO, Pacific Asia Conference on Language, Information and Computation, pages 195-204, Hong Kong, December. Wu, Dekai and Xuanyin Xia. ... I can confirm now that the necessary funds will be made available to meet the key targets. Figure 4: Example translation outputs. translation accuracy was performed on a random sample drawn...
Ngày tải lên: 31/03/2014, 06:20
Báo cáo khoa học: "Linear Text Segmentation using a Dynamic Programming Algorithm" potx
... Linear Text Segmentation using a Dynamic Programming Algorithm Athanasios Kehagias Dept. of Math., Phys. and Comp. Sciences Aristotle Univ of Thessaloniki GREECE kehagias@egnatia.ee.auth.gr Fragkou ... (Heinonen, 1998) and Utiyama and Isahara (Utiyama and Isa- hara, 2001). Finally, other researchers use probabilistic ap- proaches to text segmentation including the use of hidden Markov models (Yamron et al., 1999), ... following Halliday and Hasan's theory (Halliday and Hasan, 1976), utilize statistical similarity measures such as word cooccurrence. For example the linear discourse segmentation algorithm proposed...
Ngày tải lên: 31/03/2014, 20:20
Báo cáo khoa học: "Optimization in Coreference Resolution Is Not Needed: A Nearly-Optimal Algorithm with Intensional Constraints" ppt
... of a Balas solution v (cf. Section 6); no extensional modelling is necessary. Although our special-purpose Balas adaptation no longer constitutes a general framework that can be fed with each and ... complex. 6 A Variant of the Balas Algorithm Our algorithm proceeds as follows: we generate the first consistent solution according to the Balas algorithm (Balas-First, henceforth). The result is a vector ... memory-based learner TiMBL (Daelemans et al., 2004) is used as a (pairwise) classifier. TiMBL stores all training examples, learns fea- ture weights and classifies test instances accord- ing to the majority...
Ngày tải lên: 31/03/2014, 20:20
Báo cáo hóa học: " A projective splitting algorithm for solving generalized mixed variational inequalities" doc
... recently. For example, by Rockafel- lar [4], Tseng [5], Xia and Huang [6] and the special case (f = 0) was studied by Crou- zeix [7], Danniilidis and Hadjisavvas [8] and Yao [9]. A large variety of ... fuquanxia@sina. com 1 Department of Mathematics, Sichuan Normal University, Chengdu, Sichuan 610066, P. R. China Full list of author information is available at the end of the article Abstract In this paper, a projective ... 2011:27 http://www.journalofinequalitiesandapplications.com/content/2011/1/27 Page 4 of 14 RESEARC H Open Access A projective splitting algorithm for solving generalized mixed variational inequalities Fu-quan Xia 1* and Yun-zhi Zou 2 * Correspondence: fuquanxia@sina. com 1 Department...
Ngày tải lên: 21/06/2014, 01:20
Báo cáo hóa học: " Research Article The Over-Relaxed A-Proximal Point Algorithm for General Nonlinear Mixed Set-Valued Inclusion Framework" docx
... “Perturbed Ishikawa iterative algorithm and stability for nonlinear mixed quasi-variational inclusions involving A, η-accretive mappings,” Advances in Nonlinear Variational Inequalities, vol. ... is a constant. Remark 2.3. The A, η-accretive mappings are more general than H, η-monotone mappings and m-accretive mappings in Banach space or Hilbert space, and the resolvent operators associated ... Theory and Applications 7 Based on Lemma 3.3, we can develop a general over-relaxed A, η-proximal point algorithm to approximating solution of problem 2.1 as follows. Algorithm 3.5. Let X be a...
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: " Research Article Hierarchical Convergence of a Double-Net Algorithm for Equilibrium Problems and Variational Inequality Problems" ppt
... variational inequality problem studied by Yamada and Ogura 10, mathematical program studied by Luo et al. 11, hierarchical minimization problem considered by Cabot 12 and Solodov 13, as ... Inequalities and Applications, vol. 2009, Article ID 208692, 13 pages, 2009. 7 F. Cianciaruso, V. Colao, L. Muglia, and H K. Xu, “On an implicit hierarchical fixed point approach to variational ... 1, Article ID 015015, 8 pages, 2008. 6 F. Cianciaruso, G. Marino, L. Muglia, and Y. Yao, “On a two-step algorithm for hierarchical fixed point problems and variational inequalities,” Journal...
Ngày tải lên: 21/06/2014, 07:20
Báo cáo hóa học: " Research Article A New Hybrid Algorithm for a System of Mixed Equilibrium Problems, Fixed Point Problems for Nonexpansive Semigroup, and Variational Inclusion Problem" ppt
... Cholamjiak and S. Suantai, A new hybrid algorithm for variational inclusions, generalized equilibrium problems, and a finite family of quasi-nonexpansive mappings,” Fixed Point Theory and Applications, ... methods for families of nonexpansive mappings in Hilbert spaces,” Journal of Mathematical Analysis and Applications, vol. 341, no. 1, pp. 276–286, 2008. 23 S. Takahashi and W. Takahashi, “Strong ... Journal of Inequalities and Applications, vol. 2010, Article ID 728028, 43 pages, 2010. 13 C. Jaiboon, W. Chantarangsi, and P. Kumam, A convergence theorem based on a hybrid relaxed extragradient...
Ngày tải lên: 21/06/2014, 07:20
Báo cáo hóa học: " Research Article A Low-Complexity Algorithm for Static Background Estimation from Cluttered Image Sequences in Surveillance Contexts" doc
... potential which characterises the spatial continuity by analysing data in the spectral domain. Furthermore, the proposed algorithm has several advantages, such as computational efficiency and low ... are from a railway station in Brisbane, the third is fr om the CANDELA dataset and the last is from the CAVIAR dataset. In the first sequence, several commuters wait for a train, slowly moving around ... (http://www.multitel.be/ ∼va/candela/), and 10 unscripted sequences obtained from a railway station in Brisbane. The CAVIAR and and CANDELA sequences were chosen based on four criteria: (i) a minimum duration of...
Ngày tải lên: 21/06/2014, 08:20
Báo cáo hóa học: " Research Article Active Sonar Detection in Reverberation via Signal Subspace Extraction Algorithm" pptx
... Conclusions In this paper, we present a new algorithm Signal Subspace Extraction to extract the signal subspace from reverberation. SSE is tested by adapted real signal-channel data and shows good ... both real, active-sonar data and simulated data. 1. Introduction A major problem in moving platform active sonar systems is the detection of targets in reverberation. Reverberation is caused mainly ... forward matrix can be regarded as a new algorithm of Space Time Adaptive Process [11] which jointly processes received data in angle and Doppler to improve the separation of target echo and reverberation....
Ngày tải lên: 21/06/2014, 17:20
Báo cáo hóa học: " Research Article A New Iterative Algorithm for Approximating Common Fixed Points for Asymptotically Nonexpansive Mappings" pot
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " DNA Microarray Data Analysis: A Novel Biclustering Algorithm Approach" potx
Ngày tải lên: 22/06/2014, 23:20
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