Big Data Glossary pptx

... classic database/table levels, with the equivalents being key- spaces and column families. It’s very close to the data model used by Google’s BigTable, which you can find described in “BigTable” ... entire database in RAM, and its values can be complex data structures. Though the entire dataset is kept in memory, it’s also backed up on disk periodically, so you can use it as a persistent...

Ngày tải lên: 23/03/2014, 02:20

... classic database/table levels, with the equivalents being key- spaces and column families. It’s very close to the data model used by Google’s BigTable, which you can find described in “BigTable” ... entire database in RAM, and its values can be complex data structures. Though the entire dataset is kept in memory, it’s also backed up on disk periodically, so you can use it as a persistent...

Ngày tải lên: 23/03/2014, 23:20

... using data isn’t really what we mean by data science.” A data application acquires its value from the data itself, and creates more data as a result. It’s not just an application with data; ... and use of that data. That’s the foundation of data science. So, how do we make that data useful? The first step of any data analysis project is data conditioning,” or getting data...

Ngày tải lên: 18/03/2014, 01:20

... Big Data Solution . . . . . . . . . . . . . . . . . . 21 Before We Start: Big Data, Jigsaw Puzzles, and Insight . . . . . . . . . . . . . . . . . . 24 Big Data Use Cases: Patterns for Big Data ... fail. 04-ch04.indd 69 03/10/12 7:01 PM 70 Harness the Power of Big Data: The IBM Big Data Platform Flash 6X9 / Harness the Power of Big Data: The IBM Big Data Platform...

Ngày tải lên: 07/12/2013, 11:33

... per ix CONTENTS AT A GLANCE PART I Big Data: From the Business Perspective 1 What Is Big Data? Hint: You’re a Part of It Every Day . . . 3 2 Why Is Big Data Important? . . . . . . . . . . ... . 15 3 Why IBM for Big Data? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 PART II Big Data: From the Technology Perspective 4 All About Hadoop: The Big Data Lingo...

Ngày tải lên: 07/12/2013, 11:34

... great concern • Mainly used for Email and data storage 13 Carrier Meets Enterprise • Telephone Exchanges/Central offices are evolving into Data Centers 14 Data Centers emerge • Server numbers increased • ... Data Center Data Centers 11 Telephone Exchange • Originally circuit switched • High Availability • High ... Techniques Proper Data Center Design deployment of Hot Aisle/Cold...

Ngày tải lên: 10/12/2013, 03:15

... Telecommunications, Winter 2000 Lecture 14 Communication Basics Part-2 The Theoretical Basis for Data Communication: Frequency-domain concept: A sine wave with a frequency of 1 kHz will look ... Introduction to Telecommunications, Winter 2000 Lecture 14 Communication Basics Part-2 Digital Data Signal: Bit rate, is the number of bits transmitted per second. Baud rate, is the signal...

Ngày tải lên: 10/12/2013, 08:15

... UML. Database The Database is the system for data storage and controlled access to stored data. It is the biggest element a data model supports. The relational database is the standard database ... column. Datatype Supporting relational databases requires the support of standard datatypes. Examples of datatypes are char, date, float, long, number, nvarchar2, raw, varchar2. Object relatio...

Ngày tải lên: 10/12/2013, 15:15

Ngày tải lên: 11/12/2013, 13:15

... VPN. Growing Needs Limitations in the data center infrastructure could have stifled NEXTLINK’s growth. However, Paul Jasina, NEXTLINK’s senior manager of data center communica- tions, with over ... five years tenure, proved to be skillful at managing the data center’s infrastruc- ture performance. Five years ago, faced with the data center challenges of increased perfor- mance, highe...

Ngày tải lên: 20/12/2013, 22:15