Báo cáo khoa học: "Question Answering Using Web News as Knowledge Base" docx
Báo cáo khoa học: "Question Answering Using Web News as Knowledge Base" docx
... AnswerBus News Engine to automatically
answer news related questions. We chose CNN
Web site as the knowledge base because it has a
good archive of news stories since 1996 and the
CNN Web site ... Engine' is a question
answering system using the contents of
CNN Web site
2
as its knowledge base.
Comparing to other question answering
systems including its previous...
Báo cáo khoa học: "Question Answering using Constraint Satisfaction: QA-by-Dossier-with-Constraints" docx
... is achieved by using con-
straints, compared with our baseline system, using
standard evaluation metrics.
2 Related Work
Logic and inferencing have been a part of Ques-
tion -Answering since ... first-round question, the sys-
tem can ask more specific questions based on that
knowledge. For example, on discovering a person’s
profession, it can ask occupation-specific follow-on
quest...
Báo cáo khoa học: "Question Answering System in the Web using the Web" doc
... Esfinge – a Question Answering System in the Web using the Web
Luís Fernando Costa
Linguateca at SINTEF ICT
Pb 124 Blindern,
0314 Oslo, ...
question answering system. It tries to
take advantage of the great amount of in-
formation existent in the World Wide
Web. Since Portuguese is one of the most
used languages in the web and the web ...
existent in the web to find it...
Tài liệu Báo cáo khoa học: "Question Answering by Lexical Fabric and External Resources" ppt
... include
the Web, WordNet, Knowledge bases, and query
logs. In our system, we focus on the amalgama-
tion of the Web and WordNet.
5.1 Using the Web
The Web is the most rapidly growing and com-
plete knowledge ... tests.
Method
P
CWS
Baseline
0.438
0.440
Baseline + WordNet Gloss
0.442 0.448
Baseline + WordNet Synset
0.438
0.446
Baseline + WordNet (Gloss,Synset)
0.442
0.446
Baseline...
Báo cáo khoa học: "Question Answering with Lexical Chains Propagating Verb Arguments" pptx
... Value
ble 1). VerbNet has a static aspect and a dynamic
aspect. The static aspect refers to the organiza-
tion of verb entries. The dynamic aspect refers to
the lexicalized trees associated with syntactic ... VerbNet
classes. WordNet 2.0 has 24,632 verb sensekeys,
but only 4,983 sensekeys are listed in VerbNet
classes. For the rest, syntactic patterns were as-
signed automatically. In order...
Báo cáo khoa học: "Question Answering as Question-Biased Term Extraction: A New Approach toward Multilingual QA" doc
... no class name extractor.
To the best of our knowledge, no previous study has
regarded Question Answering as Question-Biased
Term Extraction. As a feasibility study, we built
a QA system using ... extracts an-
swers as terms biased by the question. To
confirm the feasibility of our QBTE ap-
proach, we conducted experiments on the
CRL QA Data based on 10-fold cross val-
idation, usin...
Báo cáo khoa học: "Sense Disambiguation Using Semantic Relations and Adjacency Information" docx
... uses 39 heuristics based on 12 relationships.
1 Introduction
Word-sense disambiguation has long been recognized as
a difficult problem in computational linguistics. As early
as 1960, Bar-Hillel ... linguistics, considerable effort has
been devoted to word-sense disambiguation [8]. These
approaches can be broadly classified based on the refer-
ence from which senses are assigned, a...
Báo cáo khoa học: "Hybrid Parsing: Using Probabilistic Models as Predictors for a Symbolic Parser" docx
... different knowledge sources into a system
for syntactic parsing to our knowledge has never
been attempted so far. The possible synergy be-
tween different knowledge sources is often as-
sumed ... hand CoNLL restricted itself to the eas-
ier attachment task and therefore provided the gold
standard POS tag as part of the input data, whereas
in our case pure word form sequences are ana...
Tài liệu Báo cáo khoa học: "DESIGN AND IMPLEMENTATION OF A LLXICAL DATA BASE " docx
... least tens of thousands of
entries, perhaps even more than I00,000 lexical
entries. Needless to say the task of creating as
well as the one of updating such huge databases
represents an astronomical ... lexical data
base is what I would call "practical requirements"
and has to do with the complexity of the task of
creating a lexical entry. It can roughly be viewed
as a...
Báo cáo khoa học: "Methods for Using Textual Entailment in Open-Domain Question Answering" doc
... by as much as
20% overall.
1 Introduction
Open-Domain Question Answering (Q/A) sys-
tems return a textual expression, identified from
a vast document collection, as a response to a
question asked ... increase the likelihood that
909
only true paraphrases were considered as phrase-
level alternations for an example, extracted sen-
tences were clustered using complete-link cluster-
i...