Database model Essays

  • Essay On Mindmap

    1027 Words  | 5 Pages

    What is a mindmap? A mindmap is a diagram used to visually organize information. It can be called as a visual thinking tool. A Mindmap allows complex information to be presented in a simplified visual form. A mind map is created around a single concept. The concept is represented as an image in the center to which the associated ideas are added. Major ideas are connected directly to the central concept, and other ideas branch out from those. Mindmap is a great for note taking, planning, studying

  • Why Is Computer World Memory Important

    1906 Words  | 8 Pages

    In computer world memory is an important constituent. This is because it is essential for collecting data and programs. In fact, a limited application filled small computer is ready to fulfill its given task, with no requirement for additional storage. In general, there is not much space in one memory unit to hold all the programs. Not all the stored information is required by the processor at a given point of time. So it is beneficial to use less pricey storage devices, which could be used to store

  • Ibm Bpss Modeler Case Study

    1938 Words  | 8 Pages

    1. Choose one data mining tools and briefly explain on background of the product. (10%) IBM SPSS Modeler is a data mining and text analytics software application built by IBM. Used to build predictive models and conduct other analytic tasks. It has a visual interface which allows users to leverage statistical and data mining algorithms without programming. The primary adaptations of the product called Clementine and Unix-based and is composed as an arranging apparatus and is not available to be

  • Age Estimation

    1754 Words  | 8 Pages

    Security applications have atmost importance in this area.The biometric features of each human being are unique. Age estimation is determines a person’s age or age group using facial images. A database of facial images is trained to extract features using algorithms such local binary patterns[LBP], active shape models[ASM], histogram of oriented gradients[HOG].Age estimation can be done using 3 age groups: child, adult, senior. Age

  • Data Warehouse Case Study

    3199 Words  | 13 Pages

    Once data is entered into the data warehouse, it will not change. Because data warehouse is kept separate from the operational database, therefore frequent changes in operational database is not reflected in data warehouse and historical data in a data warehouse is/should never be altered. Advantages of data warehouse: Enhanced Business Intelligence: Data warehouse provides data from various different sources

  • Information Technology: Data Mining

    1269 Words  | 6 Pages

    gained can be used for applications ranging from market analysis, fraud detection, and customer retention, to production control and science exploration. Data mining can be viewed as a result of the natural evolution of information technology. The database system industry has witnessed an evolutionary path in the development of the following functionalities

  • Data Science Vs Statistics Essay

    1135 Words  | 5 Pages

    economics, and business management. Data science is based on the collection, preparation, analysis, management, visualization and storage of large volumes of information. Data science in simple terms can be understood as having strong connections with databases including big data and computer science. A data scientist is an individual with adequate domain knowledge relevant to the question addressed. Big data is closely integrated with data science and in fact, has evolved with

  • Examples Of Discrimination In Data Mining

    1570 Words  | 7 Pages

    BHAGYASHREE BORADE,SIDDHARTH BHOJWANI, NIRAJ GOJUMGUNDE DEPT. OF COMPUTER ENGINEERING MIT ACADEMY OF ENGINEERING ALANDI(D) PUNE Abstract— Data mining involves the extraction of implicit previously unknown and potentially useful knowledge from large databases. The important issue in data mining is discrimination. Discrimination can be viewed as the act of unfairly treating people on the basis that they belong to a specific group. For instance, individuals may be discriminated because of their ideology

  • Natural Language Processing: Data Preprocessing

    1289 Words  | 6 Pages

    communities This work consists of recommending citations of given search query, which requires mapping query with the keyword cluster formed from the keyword-keyword network. 1. Formation of keyword network Keywords are either extracted from publication database. Some data usually have the keywords which can be directly used to construct the keyword-keyword network. Keyword network is constructed which is an undirected and weighted graph where each node corresponds the keyword. Two nodes are connected by

  • Happy Sailing Adventures Case Study

    1153 Words  | 5 Pages

    Content: Reference: 2 Introduction 2 Question 1 3 1.1 Problem – solving technique 3 1.2 List of two alternative solutions for the problem: 4 Question 2 4 Information on computer hardware, software and networks to meet Happy Sailing Adventures’ Requirements: 5 2.1 Search Strategy: 5 2.2 Search engine and information search: (http://www.thesearchenginelist.com/.) 5 Question 3 5 Report on Happy Sailing Adventures: 6 Question 4 8 4.1 Research problem formulated and three research objectives: 8 4.2 Five

  • Advantages And Disadvantages Of A Flat File Database

    1389 Words  | 6 Pages

    Flat File Database Definition of a Flat File database A flat file/ flat form database is a system that stores data within a single table. It is known as a flatform database due to it only containing a two dimensional structure (data fields and records). Features: - The database contains data fields which is the name of each piece of data being collected example address meaning that there will be a list of multiple addresses contained within that column. - The database also contains records which

  • Integrity In Database Research

    1421 Words  | 6 Pages

    integrity important in a database? Entity Integrity: The relational model states that every relation, it must have an identifier, called the primary key (PK), in such a way that every row of the same relation be identifiable by its content, that is, by a unique and minimal value. The PK is a non-null set of attributes. The same format applies to the foreign key (FK) because each foreign key matches an existing primary key. A simple constraint of database relational model (RM) that refers to the

  • Face Detection Essay

    927 Words  | 4 Pages

    third step we extract various facial features like eyes, nose, mouth, etc [1]. And in the forth step, we actually verify whether the anticipated parts are actually carrying out a face or not. We are doing this using some rules, template or image databases. The concept of extraction can be implemented by various techniques. There are a huge number of papers regarding the literature survey of face detection [2]. Most of the earlier work was on the frontal upright face, but recent work is mainly focus

  • Charles Babbage's Analytical Engine Analysis

    6987 Words  | 28 Pages

    What is IT? Most frequently used term now days. In this chapter we are going to learn many concept of IT. IT=Information + Technology So when the information is generated and disseminated by using technology that is called IT. Computers are used now for storing and sharing the data in organization. Data is represented in bits in computers. Computers have developed slowly and gradually so these phases are divided into various generations of computers. There is also different kind of computers for

  • Enterprise Architecture: Meta-Discipline Case Study

    2400 Words  | 10 Pages

    Question 1 (30 marks) a) Why is Enterprise Architecture classified as Meta-disciplinary? Discuss. (15 Marks) (Suggested length: Maximum 1.5 pages) Enterprise Architecture is classified as Meta-disciplinary because it serves as an authoritative reference which shows the correspondence of the results and conclusions, and that additional in-depth information can be obtained in a convenient manner (Maher, 2010). It acts as the source of standards for processes or resources as well as providing the designs

  • Difference Between Normalization And De-Normalization

    1395 Words  | 6 Pages

    help of examples. Answer: Normalization and De-normalization are two processes to optimize the performance of database. Normalization is the process of creating database that is structurally consistent having no or minimum redundancy however sometimes fully normalized database does not provide maximum processing efficiency. So when performance does matter, one prefer De-normalized database. Following are the major differences between the two processes. 1. Normalization is the process of dividing the

  • Advantages And Disadvantages Of A Database Management System

    1208 Words  | 5 Pages

    DESCRIPTION OF DATABASE MANAGEMENT SYSTEM The database is a collection of some data and number of figures that can be treated to make information. Data represents contain facts. By using the Database Management System we can easily arrange the data in any simple manner. Database Management System will help to store the data where we can easily recover, operate and create information. EVOLUTION OF DATABASE Since, there are several advancement in the electronic industry, it paved the path for computer

  • Modern Computer Vision History

    1542 Words  | 7 Pages

    6 History Modern computer vision researches can be traced back to the early 1960s. The first applications to achieve were pattern recognition systems, which we aimed to recognize characters in office automation related tasks. The urge to match 2-dimensional features extracted from images with the 3-dimensional representation of objects first occurred in 1960s in early works by Roberts L. G. Roberts, Machine Perception of Three Dimensional Solids, Ph.D. thesis, Massachusetts Institute of Technology

  • Database Management And Information Retrieval System Case Study

    1137 Words  | 5 Pages

    Question 1 Differentiate between database management system and information retrieval system by focusing on their functionalities. (30 marks). Database management system Information retrieval system Main software in computer system Obtain resources to the information relevant Offer Data modelling Facility Restricted to classify of object Structured data format Unstructured data format Provide precise semantics Provide imprecise semantics Complete of query specification Incomplete of query

  • Describe The Four Basic Components Of An Information System Case Study

    815 Words  | 4 Pages

    SECTION A Question 1 a) Describe the four basic components of an information system (IS) Hardware: comprises the physical aspect of information system, which includes processor, operating system and media devices. Software: includes all sets of information processing instructions. Data: is the most important component of information systems.it is a collection of facts and figures which is processed by different procedures to obtain useful information. People: are also one of most importance of