Báo cáo khoa học: "Extracting Causal Knowledge from a Medical Database Using Graphical Patterns" doc
Báo cáo khoa học: "Extracting Causal Knowledge from a Medical Database Using Graphical Patterns" doc
... parse tree is matched with a
set of graphical causality patterns that indicate
the presence of a causal relation. When a match
is found, various attributes of the causal relation
(e.g. the cause, ... expressions in medical texts
Causal relations are expressed in text in various
ways. Two common ways are by using causal
links and causative verbs. Causal links are words
us...
Báo cáo khoa học: "Extracting Semantic Roles from a Model of Eventualities" pot
... representation of
Max embarque la caisse sur le cargo
[3J/Max em-
barks the crate on the cargo boat can be analyzed
in two steps. First there is a transition from an
initial state IS where ...
cargo~the crate was embarked on the cargo boat,
and is schematized in (2). One of the argument
(cargo boat) is used as a localization while the
other argument is used as a localized ent...
Tài liệu Báo cáo khoa học: "Mapping Lexical Entries in a Verbs Database to WordNet Senses" doc
... tokens in a text corpus. Second, we
take an “all-words”rather than a “lexical-sample”
approach (Kilgarriff and Rosenzweig, 2000): All
words in the lexical database “text” are disam-
biguated, not ... sense assign-
ments are generated. If the same-synset assump-
tion is valid and if the senses assigned in the
database are accurate, then the human tagging has
a recall of no more than...
Báo cáo khoa học: "Learning Arguments and Supertypes of Semantic Relations using Recursive Patterns" doc
... 697–
706.
Partha Pratim Talukdar, Joseph Reisinger, Marius
Pasca, Deepak Ravichandran, Rahul Bhagat, and
Fernando Pereira. 2008. Weakly-supervised acqui-
sition of labeled class instances using graph random
walks. ... in
a concise surface pattern, and that the recursive
mechanism that allows each newly acquired term
to restart harvesting automatically is a signifi-
cant advance over patt...
Tài liệu Báo cáo khoa học: "Extracting Comparative Sentences from Korean Text Documents Using Comparative Lexical Patterns and Machine Learning Techniques" doc
... convincing ways of evaluation (Jin-
dal and Liu, 2006). A comparative sentence for-
mulates an ordering relation between two entities
and that relation is very useful for many applica-
tion areas. One ... Korean as an agglutinative lan-
guage and that of English as an inflecting lan-
guage have seriously different aspects. One of
the greatest differences related to our work is that
there...
Báo cáo khoa học: "Learning Semantic Links from a Corpus of Parallel Temporal and Causal Relations" doc
... following baselines:
BEFORE Classify all instances as BEFORE, the ma-
jority class label for temporals.
CAUSAL Classify all instances as CAUSAL.
1
st
Event Use a lookup table of 1
st
words and the
labels ... tem-
porals (81.2%) and moderate agreement on causals
(77.8%). We also report F-measure agreement, since
BEFORE, AFTER and CAUSAL relations are more in-
teresting than NO-REL. Ann...
Báo cáo khoa học: "Extracting Hypernym Pairs from the Web" potx
... and from
large text corpora. We show that the abun-
dance of available data on the web enables
obtaining good results with relatively unso-
phisticated techniques.
1 Introduction
WordNet is a ... positive and negative examples al-
lows for an automatic evaluation in which precision,
recall and F values are computed.
We do not require our search method to find the
exact position of a targ...
Báo cáo khoa học: "Extracting Social Networks from Literary Fiction" pot
... The characters are in the same place at the
same time;
2. The characters take turns speaking; and
3. The characters are mutually aware of each
other and each character’s speech is mutually
intended ... Przybocki,
Lance Ramshaw, Stephanie Strassel, and Ralph
Weischedel. 2004. The automatic content ex-
traction (ace) program tasks, data, and evaluation.
In Proceedings of the Fourth Internationa...
Báo cáo khoa học: "Deriving Generalized Knowledge from Corpora using WordNet Abstraction" pdf
... 4
GOVERNORS MAY HAVE -S 4
A CAN BE PREGNANT 28
A PERSON MAY BUY A 105
A MAY BARK 6
A COMPANY MAY HAVE A 713
A MAY SMOKE 8
A CAN BE TASTY 33
A SONG MAY HAVE A 31
A CAN BE SUCCESSFUL 664
CAN BE AT A ROAD ... A 17
A MAY FALL DOWN 5
A PERSON CAN BE HAPPY WITH A 36
A ? MAY OBSERVE A 38
A MESSAGE MAY UNDERGO A 14
A ? MAY WASH A 5
A PERSON MAY PAINT A...
Báo cáo khoa học: "Extracting Noun Phrases from Large-Scale Texts: A Hybrid Approach and Its Automatic Evaluation" pot
... Semantic head is the head of a phrase
according to the semantic usage; but
syntactic head is the head based on the
grammatical relations.
Both the syntactic head and the semantic head are ... tagged texts and outputs a linear chunk
sequences. We assign a syntactic head and a semantic
head to each chunk. Then, we extract the plausible
maximal noun phrases according to the inform...
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