information can be hidden‚ and the robustness to different image processing attacks. Keywords: Adaptive Steganography‚ Current Techniques‚ Image Files‚ Overview‚ Steganography‚ Taxonomy. 1. INTRODUCTION In this modern era‚ computers and the internet are major communication media that connect different parts of the world as one global virtual world. As a result‚ people can easily exchange information and distance is no longer a barrier to communication. However‚ the safety and security of long-distance communication
Premium
Trang Vuong Big Data and Its Potentials Data exists everywhere nowadays. It flows to every area of the economy and plays an important role in the decision-making process. Indeed‚ “businesses‚ industries‚ governments‚ universities‚ scientists‚ consumers‚ and nonprofits are generating data at unprecedented levels and at an incredible pace” to ensure the accuracy and reliability of their data-driven decisions (Gordon-Murnane 30). Especially when technology and economy are growing at an unbelievable
Free Data Data analysis Business intelligence
DATA FLOW DIAGRAM - one of the most commonly used modeling tool which graphically represents a system as a network of processes‚ linked together through input and output flow lines and entities. Data flow Components ▪ Process - transformation of data flow into outgoing data flow. It may represent . . - whole system - subsystem - activity ▪ Data store - repository of data in the system It may represent . . . - computer file or
Premium Data flow diagram Output
Ensuring Data Storage Security in Cloud Computing Cong Wang‚ Qian Wang‚ and Kui Ren Department of ECE Illinois Institute of Technology Email: {cwang‚ qwang‚ kren}@ece.iit.edu Wenjing Lou Department of ECE Worcester Polytechnic Institute Email: wjlou@ece.wpi.edu Abstract—Cloud Computing has been envisioned as the nextgeneration architecture of IT Enterprise. In contrast to traditional solutions‚ where the IT services are under proper physical‚ logical and personnel controls‚ Cloud Computing
Premium Data management Cloud computing
Assignment Cover Sheet Faculty of Science‚ Engineering and Built Environment NAME: Sagar Agarwal STUDENT ID: 213188362 UNIT CODE: SIT717 ASSIGNMENT/PRAC No.: 2 ASSIGNMENT/PRAC NAME: Assignment 2 DUE DATE: 6th Oct‚ 2013 Plagiarism and collusion Plagiarism occurs when a student passes off as the student’s own work‚ or copies without acknowledgment as to its authorship‚ the work of any other person. Collusion occurs when a student obtains the agreement of another person for a fraudulent
Premium Data mining
1) ________ is data that has been organized or presented in a meaningful fashion. 1) _______ A) A number B) Information C) A symbol D) A character 2) Which of the following is NOT one of the four major data-processing functions of a computer? 2) _______ A) storing the data or information B) gathering data C) analyzing the data or information D) processing data into information
Premium Computer Universal Serial Bus Input device
During Ancient Greek times‚ there was a famous writer named Homer. Homer’s ancestry can be traced from the Odyssey. It is said how Homer’s ancestry can be traced is through the Homeric question‚ which is said “that when the Emperor Hadrian asked the Oracle at Delphi about Homer‚ the Pythia predicated that he was Ithacan …referring to Odyssey” (Homer Biography). “Homer was the son of Epikaste and Telemachus. Born around 8th-9th century B.C. he was said to be a court singer and a story teller [sic]”
Premium Homer Trojan War Odyssey
and Kimball’s definition of Data Warehousing. Bill Inmon advocates a top-down development approach that adapts traditional relational database tools to the development needs of an enterprise wide data warehouse. From this enterprise wide data store‚ individual departmental databases are developed to serve most decision support needs. Ralph Kimball‚ on the other hand‚ suggests a bottom-up approach that uses dimensional modeling‚ a data modeling approach unique to data warehousing. Rather than building
Premium Data warehouse
Data mining is a concept that companies use to gain new customers or clients in an effort to make their business and profits grow. The ability to use data mining can result in the accrual of new customers by taking the new information and advertising to customers who are either not currently utilizing the business ’s product or also in winning additional customers that may be purchasing from the competitor. Generally‚ data are any “facts‚ numbers‚ or text that can be processed by a computer.” Today
Premium Data mining
or false. ____ 1. A good project manager knows how to develop a plan‚ execute it‚ anticipate problems‚ and make adjustments. ____ 2. The most critical element in the success of a system development project is user involvement. ____ 3. The work breakdown structure (WBS) is key to a successful project. ____ 4. Gantt charts become useless once the project begins. ____ 5. Project feasibility analysis is an activity that verifies whether a project can be started and successfully completed
Premium Project management