a hybrid convolution tree kernel

... Krugler, Wayne Ward, James H. Martin, and Daniel Juraf- sky. 200 5a. Support vector learning for semantic argument classification. Machine Learning Journal. Sameer Pradhan, Wayne Ward, Kadri Hacioglu, James Martin, ... Parse Tree Path feature in the flat feature set since the Path feature is sensi- tive to small changes of the parse trees and it also does not maintain the hierarchical information of a parse tree. It ... comparison among our Hybrid convolution tree kernel, Mos- chitti (2004)’s PAF kernel, standard flat features with Linear kernels, and Poly kernel (d = 2). We can see that our hybrid convolution tree...

Ngày tải lên: 20/02/2014, 12:20

Ngày tải lên: 23/03/2014, 18:20

Ngày tải lên: 05/09/2013, 16:11

... work for various applications, data transformation is necessary to standardize the raw data into the value range that both neural network components can work with. Formulas for data transformation are ... operations, etc. A QC can be mathematically defined as a random variable, which is a function that takes values from a population or distribution. Denote a QC as random variable x . If a population ... Tables 18.6 (a) and (b), to Acosta and Pignatiello’s (1996) EWMA chart which adopts Roberts’ (1959) EWMA for mean and Wortham’s and Heinrich’s (1972) EWMA for variance. To obtain a fair comparison,...

Ngày tải lên: 23/01/2014, 01:20

... E & Hisabori T (2001) ATP synthase – a marvellous rotary engine of the cell. Nat Rev Mol Cell Biol 2, 669–677. 4 Sambongi Y, Iko Y, Tanabe M, Omote H, Iwamoto- Kihara A, Ueda I, Yanagida T, ... triphosphate (ATP) synthase from the thermoalkaliphilic Bacillus sp. strain TA2 .A1 facilitates ATP synthesis at low Hybrid V 0 –F 0 rotor in a F 1 F 0 ATP synthase M. Fritz et al. 2006 FEBS Journal ... has only 10 membrane-buried negative charges that are essential for binding the ion and also for the rotational mechanism of the ring. The c ring of I. tartaricus has 11 negative charges that...

Ngày tải lên: 18/02/2014, 17:20

... features. The experimental results show that our approach achieves a significant im- provement on both gold standard tree bank and automatically parsed tree pairs against a heuris- tic similarity ... sub -tree alignment task is considered as a binary classification problem. We employ a kernel based classifier with the compo- site kernel to classify each candidate of sub -tree pair as aligned ... Abstract We propose Bilingual Tree Kernels (BTKs) to capture the structural similarities across a pair of syntactic translational equivalences and apply BTKs to sub -tree alignment along...

Ngày tải lên: 20/02/2014, 04:20

... 4: Manual Evaluations Here, we manually evaluate quality of summaries, a common DUC task. Human annotators are given two sets of summary text for each document set, generated from two approaches: ... 12 Overall 24 66 2 Table 4: Frequency results of manual quality evaluations. Results are statistically significant based on t-test. T ie indi- cates evaluations where two summaries are rated equal. according ... hierarchical Latent Dirich- let Allocation (hLDA) (Blei et al., 200 3a) , which is a generalization of LDA (Blei et al., 2003b). We construct a hybrid learning algorithm by extract- ing salient features...

Ngày tải lên: 20/02/2014, 04:20

... Scha [25]. The operators KIND and SAMPLE follow Cad.son's analysis [10] of the semantics of bare plurals. THE, as an operator, takes three arguments: a variable, a sort (unary predicate), ... plex patterns of syntax and semantics arising from verbs, by providing examples of the verb's usage, Since IRACQ assumes that a large vocabulary is available for use in the training examples," ... specification of descriptive constants and axioms relating them. Remarkably, 99.9% of 7,000 vocabulary items in our natural language ap- plications could be adequately axiomatlzed in the taxonomic...

Ngày tải lên: 21/02/2014, 20:20

... natural lan- guage applications. The main arguments against their use are their efficiency and accuracy lower than traditional feature based approaches. We have shown that a fast algorithm (FTK) can ... kernels are effective also in case of automatic parse trees and (c) as kernel combinations always improve traditional feature models, the best ap- proach is to combine scalar-based and structured based ... r oot A leaf S N NP D N VP V Mary to brought a cat PP IN A subtree Figure 1: A syntactic parse tree. We define as a subtree (ST) any node of a tree along with all its descendants. For example,...

Ngày tải lên: 08/03/2014, 21:20

... molecules, can usually be calculated from their chemical composition. Several databases exist that contain millions of ligands. An example of this is the freely available ZINC database [2] created from catalogues ... horizontal line referred to as the ‘cut-off level’. The reachability plot of a small database consisting of binding sites that contain NAD as the ligand is shown in Fig. 6. Database parameters and ... Gelfand MS & Frishman D (2005) Mining sequence annotation databanks for association patterns. Bioinformatics 21, iii49–iii57. 5 Gunasekaran K, Ma B & Nussinov R (2004) Is allostery an...

Ngày tải lên: 15/03/2014, 10:20

... statistical machine translation with syn- tactified target language phrases. EMNLP-06. 44-52. Franz J. Och and Hermann Ney. 2004. The alignment template approach to statistical machine translation. ... ACL-07. 704-711. Daniel Marcu and William Wong. 2002. A phrase- based, joint probability model for statistical machine translation. EMNLP-02, 133-139 Daniel Marcu, W. Wang, A. Echihabi and ... Zhang, Hongfei Jiang, AiTi Aw, Haizhou Li, Chew Lim Tan and Sheng Li. 200 8a. A tree sequence alignment-based tree- to -tree translation model. ACL- 08. 559-567. Min Zhang, Hongfei Jiang, Haizhou...

Ngày tải lên: 17/03/2014, 01:20

... The person noun NA NA verb ARG_B geo−political 1 0 troops advanced noun Tikrit ARG _A person noun forces NA NA verb moved NA NA prep toward ARG_B t t t t t 1 0 2 3 4 geo−political noun Baghdad quickly adverb NA NA ARG _A near prep NA NA 2 3 u u u u Figure 2: Two instances of the NEAR relation. data consists of about 800 annotated ... AT NEAR PART ROLE SOCIAL Based-In Relative-location Part-of Affiliate, Founder Associate, Grandparent Located Subsidiary Citizen-of, Management Parent, Sibling Residence ... patterns in data is lim- ited by the complexity of the data’s representation. In the case of text, a more structured data source (e.g. a relational database) allows richer queries than does an...

Ngày tải lên: 17/03/2014, 06:20

... by taking a cut through the tree to obtain a set of subtrees. The reason for keeping a hierarchy instead of a fixed partition of the vocabulary is to be able to dynamically adjust the partition ... strong classes by looking at parts of speech and synonyms, it is hard to produce a full hierarchy of a large vocabulary. Perhaps a combination of the expert and data-driven ap- proaches would ... Model at Each Leaf Once an equivalence classification of all histo- ries is constructed, additional training data is used to estimate the conditional probabilities required for each node, as...

Ngày tải lên: 17/03/2014, 07:20

... structural constraint. Viewing a candi- date plan's structure as a tree whose leaves are primitive acts from which the plan was inferred, no subtree Ti may contain an act whose sequential position ... of Henry and Rende Kahane, pages 453-467, Urbana, 1973. University of Illi- nois Press. [Lascarides and Asher, 1991] Alex Lascarides and Nicholas Asher. Discourse relations and defea- sible ... to instantiate the existential variable ?q in Use-obstacle.) After the existential variable is instantiated, plan recognition proceeds as described above at SPlacing a limit on the maximum...

Ngày tải lên: 17/03/2014, 09:20

... introductory paragraph, three paragraphs as the body and a concluding paragraph. This course was delivered entirely in English as a Foreign Language (EFL) with a duration of one hundred minutes for each ... ®-based hybrid courses throughout UPH. SCAFFOLDING AN EFL (ENGLISH AS A FOREIGN LANGUAGE) ‘EFFECTIVE WRITING’ CLASS IN A HYBRID LEARNING COMMUNITY Agus Santoso, S.Pd., M .A. B .A. , Satya Wacana ... language. Another negative aspect of EFL contexts–if related to this study–is that the writing lecturers may be local academics. These local academics may have graduated from either a local or...

Ngày tải lên: 19/03/2014, 07:20

... literature, there are a number of examples of Fab Lab projects. Mikhak et al. (2002) report on projects in India, at Vigyan Ashram Fab Lab just outside the village of Pabal in Maharashtra, and at ... couldn't find any list of where all the fab labs in the world were or what a fab lab was or is it an organisation, is it just a name, is it just a casual name, you know, like a I don't ... at the end of a Sabbatical Year, it sprang out again. Doing an Internet search I found out that a mould could be produced at Fab Lab Amsterdam. A couple of days later the work started. We (Mike...

Ngày tải lên: 23/03/2014, 10:20

... :- satisfy_restrictions (A, [animal,human],[concrete]); has_expression (A, 'come at'). 3. sense (A, vir) :- satisfy_restriction (A, [human],[abstract]), has_collocation (A, word_right_1, ... give-cake big-cake … Figure 1. Attribute-value vector for syntactic relations Given that some types of information are not avail- able for certain instances, many attributes will have null values. ... only classified a few ex- amples (form 1 to 6). In Table 2 we show the accuracy of the theory learned for each verb, as well as accuracy achieved by two propositional machine learning algorithms...

Ngày tải lên: 23/03/2014, 18:20

Ngày tải lên: 24/03/2014, 03:20

Ngày tải lên: 30/03/2014, 10:20

Ngày tải lên: 30/03/2014, 21:20