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» A Corpus for the Evaluation of Lossless Compression Algorith...
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CIKM
2011
Springer
12 years 5 months ago
Factorization-based lossless compression of inverted indices
Many large-scale Web applications that require ranked top-k retrieval are implemented using inverted indices. An inverted index represents a sparse term-document matrix, where non...
George Beskales, Marcus Fontoura, Maxim Gurevich, ...
ICIP
2000
IEEE
14 years 7 months ago
Evaluation of Lossless Compression Methods for Gray Scale Document Images
In this paper, a comparative study of lossless compression algorithms is presented. The following algorithms are considered: UNIX compress, gzip, LZW, CCITT Group 3 and Group 4, J...
Andreas E. Savakis
DCC
2009
IEEE
14 years 6 months ago
pFPC: A Parallel Compressor for Floating-Point Data
This paper describes and evaluates pFPC, a parallel implementation of the lossless FPC compression algorithm for 64-bit floating-point data. pFPC can trade off compression ratio f...
Martin Burtscher, Paruj Ratanaworabhan
PERCOM
2009
ACM
14 years 6 days ago
Adaptive Linear Filtering Compression on Realtime Sensor Networks
Abstract—We present a lightweight lossless compression algorithm for realtime sensor networks. Our proposed Adaptive Linear Filtering Compression (ALFC) algorithm performs predic...
Aaron B. Kiely, Mingsen Xu, Wen-Zhan Song, Renjie ...