Báo cáo khoa học: "Learning Lexicalized Reordering Models from Reordering Graphs" potx
Báo cáo khoa học: "Constructing Semantic Space Models from Parsed Corpora" potx
... also differ from Livesay and Burgess
(1997) who found that mediated primes were fur-
ther from their targets than unrelated controls, us-
ing however a model and corpus different from the
ones ... Street
Sheffield S1 4DP, UK
mlap@dcs.shef.ac.uk
Abstract
Traditional vector-based models use word
co-occurrence counts from large corpora
to represent lexical meaning. In this pa-
per we pr...
Báo cáo khoa học: "Learning Lexicalized Reordering Models from Reordering Graphs" potx
... method is also general to other lexicalized
reordering models. We plan to apply our method
to the complex lexicalized reordering models, for
example, the hierarchical reordering model (Galley
and ... China
{sujinsong,yliu,lvyajuan,htmi,liuqun}@ict.ac.cn
Abstract
Lexicalized reordering models play a crucial
role in phrase-based translation systems. They
are usually learned f...
Tài liệu Báo cáo khoa học: "Generating statistical language models from interpretation grammars in dialogue systems" potx
... we used our general corpora
to produce three different models: GSLCLM from
the GSLC corpus, NewsLM from the newspaper
corpus and DomNewsLM from the domain adapted
newspaper Corpus.
3.1 Interpolating ... trigram language models
we used the SRI language modelling toolkit (Stol-
cke, 2002) with Good-Turing discounting.
The first model was generated directly from the
MP3 corpus we got...
Báo cáo khoa học: "Learning Condensed Feature Representations from Large Unsupervised Data Sets for Supervised Learning" docx
... models are currently the most widely-used
models and are employed in many NLP systems.
To simplify the explanation, we define function
r(x, y), where r(x, y) returns 1 if y =
ˆ
y is obtained
from ... approach, C is induced independently from
F, and used in addition to F in supervised learning,
i.e., F ∪ C. In contrast, in our method H is directly
induced from F with the help of an ex...
Báo cáo khoa học: "Learning High-Level Planning from Text" pot
... can be
made from wood.
(a)
Low Level Actions for: wood → pickaxe → stone
step 1: move from (0,0) to (2,0)
step 2: chop tree at: (2,0)
step 3: get wood at: (2,0)
step 4: craft plank from wood
step ... relations from text and to per-
form high-level planning guided by those rela-
tions. We implement this idea in the reinforce-
ment learning framework using feedback au-
tomatically obtai...
Báo cáo khoa học: "Learning Translation Consensus with Structured Label Propagation" potx
... decoding for lattices and
hypergraphs.
Others extend consensus among translations
from the same MT system to those from different
MT systems. Collaborative decoding (Li et al.,
2009) scores the ...
,
,
,
,
,
5
where
,
is the propagating probability from
source sentence/span to , and
,
is that
from...
Báo cáo khoa học: "Learning Context-Dependent Mappings from Sentences to Logical Form" doc
... ex-
976
Example #1:
(a) show me the flights from boston to philly
λx.flight(x) ∧ from( x, bos) ∧ to(x, phi)
(b) show me the ones that leave in the morning
λx.flight(x) ∧ from( x, bos) ∧ to(x, phi)
∧ dur ing(x, ... aircraft(x) = y
Example #2:
(a) show me flights from milwaukee to orlando
λx.flight(x) ∧ from( x, mil) ∧ to(x, orl)
(b) cheapest
argmin(λx.flight(x) ∧ from( x, mil) ∧ to(x, or...
Báo cáo khoa học: "Learning to Extract Relations from the Web using Minimal Supervision" ppt
... experimen-
tal results demonstrating that our approach is able to
accurately extract relations from the web by learning
from such weak supervision.
2 Problem Description
We address the task of learning a ... level, we manually annotated all instances
from the positive test bags. The last column in Ta-
bles 2 & 3 shows, between parentheses, how many
instances from the positive test...
Báo cáo khoa học: "Learning PP attachment for filtering prosodic phrasing" potx
... Dutch PP attachment instances from a syntac-
tic treebank. Collection of this data is described in
Section 2. We extract lexical head features (uni-
gram and bigram) from the treebank occurrences,
and ... Cooccurrence
strength values are typically estimated from a very
large corpus. Often, these corpora are static and
do not contain neologisms and names from later
periods. In this pap...
Báo cáo khoa học: "Extracting Social Power Relationships from Natural Language" potx
... syntactic patterns of expressions on how to de-
termine the polarity from its lexical components.
McDonald et al studied models that classify senti-
ment on multiple levels of granularity: sentence ...
model personality suggests an ability to model so-
cial power lects as well.
Apart from text classification, work from the
topic modeling community is also closely related
to Socia...