'Compressed text' presentation slideshows

Introduction to Statistical Machine Translation

1.28k views • 111 slides

BWT-Based Compression Algorithms compress better than you have thought

BWT-Based Compression Algorithms compress better than you have thought Haim Kaplan, Shir Landau and Elad Verbin Talk Outline History and Results 10-minute introduction to Burrows-Wheeler based Compression. Our results: Part I: The Local Entropy Part II: Compression of integer strings

1.07k views • 79 slides

Computing longest common substring and all palindromes from compressed strings

Computing longest common substring and all palindromes from compressed strings. Wataru Matsubara 1 , Shunsuke Inenaga 2 , Akira Ishino 1 , Ayumi Shinohara 1 , Tomoyuki Nakamura 1 , Kazuo Hashimoto 1 1 Graduate School of Information Sciences Tohoku University, Japan

526 views • 36 slides

Search Algorithms Winter Semester 2004/2005 25 Oct 2004 3rd Lecture

Search Algorithms Winter Semester 2004/2005 25 Oct 2004 3rd Lecture. Christian Schindelhauer schindel@upb.de. Chapter I. Chapter I Searching Text 18 Oct 2004. Searching Text (Overview). The task of string matching Easy as a pie The naive algorithm How would you do it?

467 views • 34 slides

Data Compression

Data Compression. Reduce the size of data. Reduces storage space and hence storage cost. Compression ratio = original data size/compressed data size Reduces time to retrieve and transmit data. Lossless And Lossy Compression. compressedData = compress(originalData)

490 views • 33 slides

Shift-And Approach to Pattern Matching in LZW Compressed Text

Shift-And Approach to Pattern Matching in LZW Compressed Text. Takuya KIDA. Masayuki TAKEDA. Ayumi SHINOHARA. Setsuo ARIKAWA. Department of Informatics Kyushu University, Japan. Motivation. The available storage devices are limited! I am eager to stuff any available information

463 views • 32 slides

Data Compression

Data Compression. ??? Fall 2011 CSE, POSTECH. ??????? ??? ??? ?????? ???? ??????? ?????? ?????? ??? ???? ??? ??? ?? ??? ????? ???. ACBDAEBF. How not to send the table?. Data Compression. Reduce the size of data. Reduces storage space and hence storage cost.

521 views • 32 slides

Data Compression

Data Compression. ??? Fall 2010 CSE, POSTECH. ??????? ??? ??? ?????? ???? ??????? ?????? ?????? ??? ???? ??? ??? ?? ??? ????? ???. ACBDAEBF. How not to send the table?. Data Compression. Reduce the size of data. Reduces storage space and hence storage cost.

576 views • 32 slides

Lecture on Information Knowledge Network "Information retrieval and pattern matching"

Lecture on Information Knowledge Network "Information retrieval and pattern matching". Laboratory of Information Knowledge Network, Division of Computer Science, Graduate School of Information Science and Technology, Hokkaido University Takuya KIDA.

425 views • 31 slides

Text Compression

Text Compression. Spring 2007 CSE, POSTECH. Data Compression. Deals with reducing the size of data Reduce storage space and hence storage cost Compression ratio = compressed data size / original data size Reduce time to retrieve and transmit data

781 views • 31 slides

Huffman Codes

Huffman Codes. Computing an Optimal Code for a Document. Objectives. You will be able to: Create an optimal code for an ASCII text file. Encode the text file using the optimal code and output the compressed text as a binary file.

394 views • 30 slides

CS 253: Algorithms

CS 253: Algorithms. LZW Data Compression. Data Compression. Reduce the size of data Reduces storage space and hence the cost Reduces time to retrieve and transmit data Compression ratio = original data size / compressed data size. Lossless and Lossy Compression.

454 views • 29 slides

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????? ???? ???? ??. Reduce the size of data. Reduces storage space and hence storage cost. Compression ratio = original data size/compressed data size Reduces time to retrieve and transmit data. Lossless And Lossy Compression. compressedData = compress(originalData)

404 views • 29 slides

Data Compression

Data Compression. Reduce the size of data. Reduces storage space and hence storage cost. Compression ratio = original data size/compressed data size Reduces time to retrieve and transmit data. Lossless And Lossy Compression. compressedData = compress(originalData)

416 views • 29 slides

LZW Compression

1.02k views • 27 slides

CS336: Intelligent Information Retrieval

CS336: Intelligent Information Retrieval. Lecture 6: Compression. Compression. Change the representation of a file so that takes less space to store less time to transmit Text compression: original file can be reconstructed exactly Data Compression: can tolerate small changes or noise

387 views • 24 slides

Multiple Pattern Matching in LZW Compressed Text

Nagano. Fukuoka. Multiple Pattern Matching in LZW Compressed Text. Takuya KIDA. Masayuki TAKEDA. Masayuki TAKEDA. Ayumi SHINOHARA. Ayumi SHINOHARA. Masamichi MIYAZAKI. Masamichi MIYAZAKI. Setsuo ARIKAWA. Setsuo ARIKAWA. Department of Informatics Kyushu University, Japan.

359 views • 23 slides

A general compression algorithm that supports fast searching

310 views • 21 slides

A general compression algorithm that supports fast searching

289 views • 21 slides

ITR Collaborative: Compressed Search and Retrieval for Very Large Text and Image Repositories

ITR Collaborative: Compressed Search and Retrieval for Very Large Text and Image Repositories. Amar Mukherjee School of Electrical Engineering and Computer Science University of Central Florida Don Adjeroh Computer Science and Electrical Engineering West Virginia University, Morgantown,

118 views • 4 slides