Báo cáo khoa học: "EVALUATION OF NATURAL LANGUAGE INTERFACES TO DATABASE SYSTEMS: A PANEL DISCUSSION " ppt
Báo cáo khoa học: "EVALUATION OF NATURAL LANGUAGE INTERFACES TO DATABASE SYSTEMS: A PANEL DISCUSSION " ppt
... EVALUATION OF NATURAL LANGUAGE INTERFACES TO DATABASE SYSTEMS:
A PANEL DISCUSSION
Norman K. Sondheimer, Chair
Sperry Univac
Blue Bell, PA
For a natural language access to database
system ...
Recently, this has begun to change. In the
last several years, many of the current
generation of natural language access to
database systems have been s...
Tài liệu Báo cáo khoa học: "ISSUES IN NATURAL LANGUAGE ACCESS TO DATABASES FROM A LOGIC PROGRAMMING PERSPECTIVE" doc
...
seen as the result of a "bottom-up" effort to make
database languages more like natural language.
However Prolog is much more general than
relational database formalisms, in
that ... computational formalisms. The outcome
of this "top-down" approach, as reallsed in the
language Prolog, has a great deal in common with
the relational approach to data...
Tài liệu Báo cáo khoa học: "Evaluation of Machine Translations by Reading Comprehension Tests and Subjective Judgments" doc
... over-all quality
to a passage is a fairly complex task. We hoped that
by asking subjects to judge sentences rather than
passages, and to judge for clarity of meaning only,
rather than quality ... possible, bias toward particular subject matter
was avoided by random selection of the volume and
page at which the search for each passage started. How-
ever, in order to make...
Tài liệu Báo cáo khoa học: "Evaluation of Semantic Clusters" docx
... classes against an-
other and are also not very reliable estimates of the
quality of a set of classes. It is clear that a formal
evaluation scheme would be of great help.
Hatzivassiloglou and ... of a given domain, rela-
tively little attention has been paid to the task of
evaluating the generated classes. In the absence of
an evaluation scheme, the only way to...
Tài liệu Báo cáo khoa học: "Domain-Independent Natural Language Database Access Systems" pptx
... exactly the same way as
to the technician. That is, whatever the techni-
cian would understand, the program should
understand. For example, a natural language front
end to a stock market database ... this paper
I examine the issue of whether or not it is possi-
ble to build a natural language database access
systee that achieves an acceptable level of per-
f...
Tài liệu Báo cáo khoa học: "MENU-BASED NATURAL LANGUAGE UNDERSTANDING " pptx
... menu-based, natural language
interfaces to databases.
3. Features of NLMenu Interfaces to
Databases
The NLMenu system does not store the
words that correspond to open class data base
attributes ... another group at TI was manually altered to
provide pictorial database capabilities.
Taken together, the advantages listed
above pave the way for low cost, maintainable...
Tài liệu Báo cáo khoa học: "Is There Natural Language after Data Bases?" pptx
... admirably.
3. The task should motivation investigation of a set of language
phenomena of recognizable theoretical significance that can
be addressed from a computational standpoint. Ideally, ... favorite application for natural language
interfaces has been data base query. Why? The reasons range
from the relative simplicity of the task, including shallow semantic
proc...
Tài liệu Báo cáo khoa học: "Effect of Cross-Language IR in Bilingual Lexicon Acquisition from Comparable Corpora" pot
... an English term and
a Japanese term, bilingual term correspondence is
357
Table 1: Statistics of # of Days, Articles, and Article Sizes
Site
Total #
of Days
Total # of
of Articles
Average # of
Articles ... comparable cor-
pora are mostly based on the idea that semantically
similar words appear in similar contexts (Fung,
1995; Rapp, 1995; Kaji and Aizono, 1996;
Tanaka and Iwasaki,...
Báo cáo khoa học: Characterization of natural vasostatin-containing peptides in rat heart docx
... blot) and MS analysis (TOF-TOF MS)
allowed us to investigate the N-terminal processing of
CGA in rat heart extracts. Our data reveal the pres-
ence of several vasostatin I-containing and vasosta-
tin ... immunoreactive bands, ran-
ging from 80 to 50 kDa, correspond to the apparent
molecular mass of intact rat CGA (with and without
post-translational modifications), as well as to...
Báo cáo khoa học: "Improving Statistical Natural Language Translation with Categories and Rules" potx
... Weichselgarten 9, 91058 Erlangen - Tennenlohe, Germany
{faoch, weber}@immd8, inf ormatik, uni-erlangen, de
Abstract
This paper describes an all level approach on
statistical natural language translation ... itself is realized as a max-
imization process of the form
Trans(d) = argmax e P(e[d) (1)
Here d is a given source language (SL) sentence
which has to be translated i...
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