a web based relational database design tool to perform normalization

Ngày tải lên: 14/08/2014, 16:21

Ngày tải lên: 24/10/2014, 15:10

... translators, analyze user interaction behavior, and develop novel types of assistance. To have a testbed for this research, we developed an online, web- based tool for translators. 2 Overview Caitra ... has made little inroads into tools for human transla- tors. Although it has become common practice in the industry to provide human translators with ma- chine translation output that they have ... Edinburgh pkoehn@inf.ed.ac.uk Abstract We developed caitra, a novel tool that aids human translators by (a) making sugges- tions for sentence completion in an inter- active machine translation setting,...

Ngày tải lên: 17/03/2014, 02:20

... multi-valued flags that can be added to other annotations. Finally, annotators can attach free-form text notes to any annotation. In addition to information extraction tasks, these annotation primitives ... China {pontus,smp,goran,okap}@is.s.u-tokyo.ac.jp sophia.ananiadou@manchester.ac.uk jtsujii@microsoft.com Abstract We introduce the brat rapid annotation tool (BRAT), an intuitive web- based tool for text annotation supported ... Computational Linguistics. Hamish Cunningham, Diana Maynard, Kalina Bontcheva, Valentin Tablan, Niraj Aswani, Ian Roberts, Genevieve Gorrell, Adam Funk, Angus Roberts, Danica Damljanovic, Thomas Heitz, Mark...

Ngày tải lên: 17/03/2014, 22:20

Ngày tải lên: 11/08/2014, 15:22

Ngày tải lên: 14/08/2014, 08:20

Ngày tải lên: 14/08/2014, 17:22

... system. - Easy to manage, update database: Database is located at dedicated server that managers can maintain and update it easily. - Quick delivery: web- based model make it portable to be delivered ... performance. Most of web applications today use Relational Database Management System (RDBMS) using Structure Query Language (SQL) to store and manipulate data logic. There are many available ... chapters. 2.3.2.3. Data access tier It consists of the database server that contains all logic data of application. Separating logic data from application into it will make program scalable and...

Ngày tải lên: 27/10/2012, 16:40

... we use the names only in an editorial fashion and to the benefit of the trademark owner, with no intention of infringement of the trademark. Java™ and all Java -based marks are trademarks or registered ... Intermediate–Advanced Davidson Pro SQL Server 2008 Relational Database Design and Implementation The eXperT’s Voice đ in sQl serVer Pro SQL Server 2008 Relational Database Design and Implementation ... with relational databases—including nearly every version of SQL Server. My first goal in writing this book is to explain many of the important concepts you need to learn from a database design...

Ngày tải lên: 29/10/2013, 15:15

... debate, and celebrate the topic of database design and how critical it is for any datacentric application. Database design is part science and part art. There’s a science to normalization, but determining the ... that enable developers to play their best game. Database design is the foundation of every datacentric application. An elegant database design makes the data obvious and easy to query and sets ... page when it comes to the concepts and basic theories that are fundamental to proper database design. Database Design Phases Too often when I sit down to build a system that r equires data storage,...

Ngày tải lên: 29/10/2013, 15:15

... when necessary. It does not limit you to accessing data within only that one database; however, managing data in separate databases becomes a mor e manual process, rather than a natural, built-in ... represented at the logical level in the same way as ordinary data, so that authorized users can apply the same relational language to its interrogation as they apply to regular data. This means you ... the database server can be addressed by knowing the database they reside in and the schema (note that you can set up linked servers and include a server name as well): databaseName.schemaName.objectName Schemas...

Ngày tải lên: 08/11/2013, 21:15

... becomes a large validation problem to make sure that different values of the smart key are actually valid. ■ Note Smart keys are useful tools to communicate a lot of information to the user in a small ... use a surrogate key. In reality, many of our exam- ples of natur al keys w ere actually surrogate keys in their original database but were elevated to a natural status by usage in the “real” ... keys) and surrogate keys. Natur al Keys W ikipedia ( http://www.wikipedia.com) defines the ter m natur al key as “ a candidate key that has a logical relationship to the attributes within that...

Ngày tải lên: 08/11/2013, 21:15

... “the database description is represented at the logical level in the same way as ordinary data, so that authorized users can apply the same relational language to its interrogation as they apply ... that are made by database vendors. is brief history lesson was mostly for getting you started to understand why relational database are implemented as they are today. In three papers, Codd took ... developing great databases quickly. Recognizing Relational Data Structures is section introduces the following core relational database structures and concepts: Database and schemaã Tables, rows, and...

Ngày tải lên: 12/02/2014, 12:20

... factors. The forth step is to analyze the hierarchy model using ISO 9000 factors for an evaluation and a strategic planning. The final step is to build a Web- based DSS application based on AHP ... Data evaluation uses the collected data through email questionnaires. After calculating the average of each question, data are inputted into Web- based DSS application. 4. Architecture of Web- based ... input data and suggestion DSS design application. Implementation: Web- based DSS application is a main implementation part for AHP model application. Outcome evaluation: Results are measured and...

Ngày tải lên: 05/03/2014, 14:20

... Inter- speech/ICSLP, pages 1065–1068. Harlan Hiley, Ramakrishna Vedantham, Gregory Cuel- lar, Alan Liuy, Natasha Gelfand, Radek Grzeszczuk, and Gaetano Borriello. 2008. Landmark -based pedes- trian navigation ... Model The navigation system is supported by a database called the City Model. The City Model is a GIS database containing a variety of data required to sup- port navigation tasks. It has been derived ... Shared Tasks and Compar- ative Evaluation in Natural Language Generation. Rainer Malaka and Er Zipf. 2000. Deep Map - chal- lenging IT research in the framework of a tourist in- formation system....

Ngày tải lên: 07/03/2014, 18:20

... 2012. c 2012 Association for Computational Linguistics Building trainable taggers in a web- based, UIMA-supported NLP workbench Rafal Rak, BalaKrishna Kolluru and Sophia Ananiadou National Centre ... Manchester Manchester Interdisciplinary Biocentre 131 Princess St, M1 7DN, Manchester, UK {rafal.rak,balakrishna.kolluru,sophia.ananiadou}@manchester.ac.uk Abstract Argo is a web- based NLP and ... compensate for it we automatically generated part of speech and chunk la- bels for each token. The chosen datasets/tasks are by no means an exhaustive set of representative comparative-setup datasets...

Ngày tải lên: 16/03/2014, 20:20

... talking to TOOT, and links to 4 task pages. Each task page contained a task scenario, the hints, instructions for calling TOOT, anal a web survey designed to ascertain the depart and travel ... the literature as an external indicator of agent usability. 783 Evaluating Response Strategies in a Web- Based Spoken Dialogue Agent Diane J. Litman AT&T Labs - Research 180 Park Avenue ... C. Kamm, and A. Abella. 1997. PAR- ADISE: A general framework for evaluating spoken dia- logue agents. In Proc. ACL/EACL. M. Walker, D. Litman, C. Kamm, and A. Abella. 1998. Eval- uating spoken...

Ngày tải lên: 17/03/2014, 07:20

... the database. Documentation of the database design can be printed from the CASE tool. Subsequent changes to the database design can be made in the CASE tool and then applied to the database ... considering a wider range of DBMS options than just relational databases. Some other database systems are better than relational databases at native handling of trees and hierarchical information. ... Control Any person with high level access to a database can do substantial damage, either accidentally or on purpose. Anyone with high level access to a database can do substantial damage with a...

Ngày tải lên: 23/03/2014, 16:20

... 7.7 An ER schema for a SHIP_TRACKING database. FIGURE 7.3 Mapping the n-ary relationship type SUPPLY from Figure 4.1 1a. Relational Database Design by ER- and EERR -to -Relational Mapping FIGURE ... customary to specify a new key attribute, called a surrogate key, when creating a relation to correspond to the category. – In the example below we can create a relation OWNER to correspond to ... with Boolean type fields Mflag and Pflag. ER -to -Relational Mapping Algorithm (cont)  Step 6: Mapping of Multivalued attributes. – For each multivalued attribute A, create a new relation R....

Ngày tải lên: 12/05/2014, 11:55

... entities may cause problems  Information is stored redundantly wasting storage  Problems with update anomalies – Insertion anomalies – Deletion anomalies – Modification anomalies Examples of ... 4 EXAMPLE OF AN UPDATE ANOMALY (2)  Insert Anomaly: Cannot insert a project unless an employee is assigned to . Inversely - Cannot insert an employee unless an he/she is assigned to a project. ... determines a unique value for Y Guideline to Redundant Information in Tuples and Update Anomalies  GUIDELINE 2: Design a schema that does not suffer from the insertion, deletion and update anomalies....

Ngày tải lên: 12/05/2014, 11:55