Báo cáo khoa học: "Pattern Learning for Relation Extraction with a Hierarchical Topic Model" pptx
Báo cáo khoa học: "Pattern Learning for Relation Extraction with a Hierarchical Topic Model" pptx
... not
generalizable across all pairs with the same relation.
Finally φ
A
contains the patterns that are observed
across most pairs related with the same relation. φ
A
is the topic model of interest for ... that are expressing
the relation and those that are ambiguous and can be
applied across relations. In this way, high-precision
extraction patterns can be learned without th...
Tài liệu Báo cáo khoa học: "Composite Kernels For Relation Extraction" pdf
... in
natural text can be expressed in many ways, e.g.
“Obama was educated at Harvard”, “Obama is a
graduate of Harvard Law School”, or, “Obama
went to Harvard College”. Relation extraction
aims at ... for Relation Extraction
Relation extraction aims at learning a relation
from a number of positive and negative instances
in natural language sentences. As a classifier we...
Báo cáo khoa học: "Distant supervision for relation extraction without labeled data" docx
... Freebase relation data
during training, and comparing newly discovered
relation instances against this held-out data, and
manually, having humans who look at each posi-
tively labeled entity pair ... extracting relational facts from
text (for example, learning that a person is em-
ployed by a particular organization, or that a ge-
ographic entity is located in a particular regi...
Báo cáo khoa học: "Automated Whole Sentence Grammar Correction Using a Noisy Channel Model" pptx
... erroneous
0
1
a: a/0.6
2
an:an/0.4
3
cat:cat/1
4
ear:ear/1
5
ε:ε/1
ε:ε/1
0
a: a/0.95[0.95,0]
a: an/0.05[0,0.05]
an:an/1
cat:cat/1
ear:ear/1
0
1
a: a/0.57[0.57,0]
a: an/0.03[0,0.03]
2
an:an/0.4
3
cat:cat/1
4
ear:ear/1
5
ε:ε/1
ε:ε/1
Figure ... the
twelfth national conference on Artificial intelli-
gence (vol. 1), AAAI ’94, pages 779–784, Menlo
Park, CA, USA. American Association for Artifi...
Tài liệu Báo cáo khoa học: "Guided Learning for Bidirectional Sequence Classification" ppt
... spans in S as con-
text, and replace it with a new candidate span taking
p
(and another accepted span) as context. Wealways
maintain B different states for each span.
Back to the previous example, ... the
learning phase.
Guided learning is not as hard as reinforcement
learning. At each local step in learning, we always
know the undesirable labeling actions according to
the gold...
Tài liệu Báo cáo khoa học: "Machine Learning for Coreference Resolution: From Local Classification to Global Ranking" ppt
... creating training instances.
In McCarthy and Lehnert’s method, a positive
instance is created for each anaphoric NP paired
with each of its antecedents, and a negative instance
is created by pairing ... the ACE research program.
Our approach. Recall that our approach uses la-
beled data to train both the coreference classifiers
and the ranking model. To ensure a fair comparison
of ou...
Báo cáo khoa học: "Accurate Learning for Chinese Function Tags from Minimal Features" pdf
... Merlo and
Musillo, 2005; Gildea and Palmer, 2002) have
already been proposed. (Blaheta and Charniak,
2000; Blaheta, 2004) described a statistical sys-
tem trained on the data of Penn Treebank to au-
tomatically ... predicate-argument structure,
while adverbials are actually semantically oriented
labels (though not true for all cases, see (Merlo
and Palmer, 2006)) that carry semantic role...
Báo cáo khoa học: "Transductive learning for statistical machine translation" potx
... statistical machine translation
Nicola Ueffing
National Research Council Canada
Gatineau, QC, Canada
nicola.ueffing@nrc.gc.ca
Gholamreza Haffari and Anoop Sarkar
Simon Fraser University
Burnaby, BC, Canada
{ghaffar1,anoop}@cs.sfu.ca
Abstract
Statistical ... BC, Canada
{ghaffar1,anoop}@cs.sfu.ca
Abstract
Statistical machine translation systems are
usually trained on large amounts of bilin-
gual...
Báo cáo khoa học: "Spectral Learning for Non-Deterministic Dependency Parsing" ppt
... C
´
ordoba
and CONICET
C
´
ordoba X5000HUA, Argentina
francolq@famaf.unc.edu.ar
Ariadna Quattoni and Borja Balle and Xavier Carreras
Universitat Polit
`
ecnica de Catalunya
Barcelona E-08034
{aquattoni,bballe,carreras}@lsi.upc.edu
Abstract
In ... References
Raphael Bailly. 2011. Quadratic weighted automata:
Spectral algorithm and likelihood maximization.
JMLR Workshop and Conference Proceedin...
Báo cáo khoa học: "Reinforcement Learning for Mapping Instructions to Actions" pdf
... patterns. In contrast, our emphasis
is on learning language by proactively interacting
with an external environment.
Reinforcement Learning for Language Pro-
cessing Reinforcement learning has ... ac-
tions that emit natural language utterances. The
reinforcement learning state space encodes infor-
mation about the goals of the user and what they
say at each time step. The learni...