RELATIONAL COMPLETENESS OF DATA BASE SUBLANGUAGES potx
Báo cáo khoa học: "AN APPLICATION OF AUTOfIATED LANGUAGE UNDERSTANDI;IG TECHNIQUES TO THE GENERATION OF DATA BASE ELEMENTS" potx
... AN APPLICATION OF AUTOfIATED LANGUAGE UNDERSTANDI;IG TECHNIQUES TO THF GENERATION OF DATA BASE ELEMENTS Georgette Silva, Christine Montoomerv. and ... automatically an- alyzing textual reports of events and synthesizing event data elements from the reports for automated in- put to a data base. The long-term goal of the work described is to develop ... a model of the su...
Ngày tải lên: 08/03/2014, 18:20
A reliability data base for performance and predictive assessment of electric power systems
Ngày tải lên: 03/01/2014, 19:36
Tài liệu Báo cáo khoa học: "DESIGN AND IMPLEMENTATION OF A LLXICAL DATA BASE " docx
... out some of the details of the implementation of this model. OVERVIEW OF THE PROBLSM One of the well-known characteristic features of natural languages is the size and the complexity of their ... amounts of text necessitates dictionaries of substantial size, of the order of at least tens of thousands of entries, perhaps even more than I00,000 lexical entries....
Ngày tải lên: 22/02/2014, 09:20
Báo cáo khoa học: "EVALUATION OF NATURAL LANGUAGE INTERFACES TO DATA BASE SYSTEMS" pdf
... EVALUATION OF NATURAL LANGUAGE INTERFACES TO DATA BASE SYSTEMS Bozena Henisz Thompson California Institute of Technology INTEODUCT~ON Is evaluation, like beauty, in the eye of the beholder? ... argued as force- fully on the basis of my study of users* evaluation of machine translation [2] a study which was prompted by the evaluations of the quality of machine trans...
Ngày tải lên: 17/03/2014, 19:20
Maintaining an Online Bibliographical Database: The Problem of Data Quality potx
... divided into database bashing and data edits. The key idea behind database bashing is to compare or crosscheck the data stored in one database to differ- ent datasources such as an other database or ... Maintaining an Online Bibliographical Database: The Problem of Data Quality Michael Ley ∗ , Patrick Reuther ∗ ∗ Department for Databases and Informationsystems, University of Trier,...
Ngày tải lên: 30/03/2014, 13:20
Creating and Management Data Base
... pháp: CREATE DATABASE database_snapshot_name ON ( NAME = logical_file_name, FILENAME = ‘os_file_name’ ) [ , n ] AS SNAPSHOT OF source_database_name [;] RDBMS and Data Management/ Session 7/23 of 25 Bản ... có thể bị hủy bỏ ALTER DATABASE database_name { <add_or_modify_files> | <add_or_modify_filegroups> | <set_database_options> | MODIFY NAME = new_database_name | COLL...
Ngày tải lên: 01/09/2012, 09:09
Bullding tables of data
... is the process of crafting tables that ensure data integrity and take advantage of the processing power of relational database systems. E.F. Codd, inventor of the relational database model, proposed ... unnamedTable = new System .Data. DataTable(); System .Data. DataTable namedTable = new System .Data. DataTable("Customer"); Visual Basic Dim unnamedTable As New Syste...
Ngày tải lên: 03/10/2013, 00:20
Statistical Description of Data part 1
... Statistical Description of Data 14.0 Introduction In this chapter and the next, the concept of data enters the discussion more prominently than before. Dataconsist of numbers, of course. Butthese ... on a tail of the distribution, conclude that the null hypothesis is false for your data set If a statistic falls in a reasonable part of the distribution, you must not make the...
Ngày tải lên: 20/10/2013, 17:15