a hybrid convolution tree kernel
Tài liệu Báo cáo khoa học: "A Hybrid Convolution Tree Kernel for Semantic Role Labeling" pptx
Ngày tải lên :
20/02/2014, 12:20
... 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...
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Tài liệu A Hybrid Neural Fuzzy System for Statistical Process Control docx
Ngày tải lên :
23/01/2014, 01:20
... 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,...
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Tài liệu Báo cáo khoa học: An intermediate step in the evolution of ATPases – a hybrid F0–V0 rotor in a bacterial Na+ F1F0 ATP synthase pdf
Ngày tải lên :
18/02/2014, 17:20
... 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...
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Tài liệu Báo cáo khoa học: "Exploring Syntactic Structural Features for Sub-Tree Alignment using Bilingual Tree Kernels" docx
Ngày tải lên :
20/02/2014, 04:20
... 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...
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Tài liệu Báo cáo khoa học: "A Hybrid Hierarchical Model for Multi-Document Summarization" ppt
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...
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Tài liệu Báo cáo khoa học: "A HYBRID APPROACH TO REPRESENTATION IN THE JANUS NATURAL LANGUAGE PROCESSOR" pot
Ngày tải lên :
21/02/2014, 20:20
...
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...
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Báo cáo khoa học: "Making Tree Kernels practical for Natural Language Learning" potx
Ngày tải lên :
08/03/2014, 21:20
... 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,...
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Báo cáo khoa học: A hybrid clustering of protein binding sites ppt
Ngày tải lên :
15/03/2014, 10:20
... 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...
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Báo cáo khoa học: "A non-contiguous Tree Sequence Alignment-based Model for Statistical Machine Translation" pptx
Ngày tải lên :
17/03/2014, 01:20
... 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...
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Báo cáo khoa học: "Dependency Tree Kernels for Relation Extraction" pot
Ngày tải lên :
17/03/2014, 06:20
... 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...
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Báo cáo khoa học: "A Pylonic Decision-Tree Language Model with Optimal Question Selection" potx
Ngày tải lên :
17/03/2014, 07:20
... 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...
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Báo cáo khoa học: "A HYBRID REASONING MODEL FOR INDIRECT ANSWERS" pot
Ngày tải lên :
17/03/2014, 09:20
... 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...
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SCAFFOLDING AN EFL (ENGLISH AS A FOREIGN LANGUAGE) ''''EFFECTIVE WRITING'''' CLASS IN A HYBRID LEARNING COMMUNITY pot
Ngày tải lên :
19/03/2014, 07:20
... 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...
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Commons-based Peer-Production of Physical Goods Is there Room for a Hybrid Innovation Ecology? pdf
Ngày tải lên :
23/03/2014, 10:20
... 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...
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Báo cáo khoa học: "A Hybrid Relational Approach for WSD – First Results" ppt
Ngày tải lên :
23/03/2014, 18:20
... :-
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...
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