Lazaridis, I., Mehrotra, S.: Capturing sensor-generated time series with quality guarantees. In: Proceedings of the International Conference on Data Engineering (ICDE). (2003) Home/Search Document Details and Download
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....for times in #1; e 1 # for the first segment. In such an approximate representation, we estimate s#k# as: b s#k#= # c 1 if k # e 1 c m if e m,1 1 # k # e m Based on these definitions, we now reproduce our compression algorithms that were developed earlier in the context of database systems [10]. 3.3 Poor Man s Compression Poor Man s Compression (PMC) is a bare bones form of compression that can be used to reduce the size of a time series representation. It is an on line algorithm, producing segments of a piecewise constant approximation (PCA) representation as new samples arrive. It ....
....compressing s#i : j# in a single segment in a manner that preserves the e capt guarantee. Lemma 1 The time series s#i : j# can be compressed in a single segment #c; j# with an error tolerance e capt iff: range#i : j#=max s#k# , min s#k# # 2e capt The proof of this lemma is presented in [10]. 3.3.1 Poor Man s Compression Midrange Figure 1 lists our compression algorithm: the Poor Man s Compression Midrange (PMC MR) This algorithm uses the converse of Lemma 1. PMC MR takes a time series as input and produces a compressed time series as output. The algorithm monitors the range ....
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I. Lazaridis and S. Mehrotra. Capturing sensor-generated time series with quality guarantees. In To appear at IEEE International Conference on Data Engineering, 2003.
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Lazaridis, I., Mehrotra, S.: Capturing sensor-generated time series with quality guarantees. In: Proceedings of the International Conference on Data Engineering (ICDE). (2003)
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Lazaridis I, Mehrotra S (2003) Capturing sensor-generated time series with quality guarantees. In: Proceedings of IEEE ICDE Conf.
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I. Lazaridis and S. Mehrotra. Capturing sensor-generated time series with quality guarantees. In Proceedings of the 19th International Conference on Data Engineering, Bangalore, India, March 2003.
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Iosif Lazaridis and Sharad Mehrotra. Capturing Sensor-Generated Time Series with Quality Guarantees. In International Conference on Data Engineering, pages 429--440, Bangalore, India, March 2003.
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I. Lazaridis and S. Mehrotra. Capturing sensor-generated time series with quality guarantees. In Proceedings of the 19th International Conference on Data Engineering, Bangalore, India, March 2003.
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Online Amnesic Approximation of Streaming Time Series - Palpanas, Vlachos, Keogh, .. (2004) (4 citations) (Correct)
No context found.
Iosif Lazaridis and Sharad Mehrotra. Capturing Sensor-Generated Time Series with Quality Guarantees. In International Conference on Data Engineering, pages 429--440, Bangalore, India, March 2003.
Approximate Replication - Olston (2003) (Correct)
No context found.
I. Lazaridis and S. Mehrotra. Capturing sensor-generated time series with quality guarantees. In Proceedings of the 19th International Conference on Data Engineering, Bangalore, India, March 2003.
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