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Abstract: As said in signal processing, "One person's noise is another person's signal." For many applications, such as the exploration of satellite or medical images, and the monitoring of criminal activities in electronic commerce, identifying exceptions can often lead to the discovery of truly unexpected knowledge. In this paper, we study an intuitive notion of outliers. A key contribution of this paper is to show how the proposed notion of outliers unifies or generalizes many existing notions of... (Update)
Context of citations to this paper: More
...in Section 6. We summarize our work in Section 7. 2. Related work and our contribution Many outlier detection algorithms [ 1 3,8,9,12,14,16] have been recently proposed. These methods can be broadly classified into two categories, namely set based outlier detection methods...
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BibTeX entry: (Update)
Knorr, E. M., Ng, R. T. "A unified notion of outliers: Properties and computation," Proc. KDD, pages 219-222, 1997. An extended version of this paper appears as : Knorr, E. M., Ng, R. T. "A Unified Approach for Mining Outliers," Proc. 7th CASCON, pages 236-248, 1997. http://citeseer.ist.psu.edu/knorr97unified.html More
@inproceedings{ knorr97unified,
author = "Edwin M. Knorr and Raymond T. Ng",
title = "A Unified Notion of Outliers: Properties and Computation",
booktitle = "Knowledge Discovery and Data Mining",
pages = "219-222",
year = "1997",
url = "citeseer.ist.psu.edu/knorr97unified.html" }
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242 Efficient and effective clustering methods for spatial data .. - Ng, Han - 1994
77 Finding Groups in Data (context) - Kaufman, Rousseeuw - 1990
9 Identification of Outliers (context) - Hawkins - 1980
2 and Livny (context) - Zhang, Ramakrishnan - 1996
2 and Purves (context) - Freedman, Pisani - 1978
1 Data cube: A relational aggregation operator generalizing gr.. (context) - York, Norton et al. - 1995
1 and Xu (context) - Ester, Kriegel et al. - 1996
1 and Raghavan (context) - Arning, Agrawal - 1996
1 A unified notion of outliers (context) - Knorr, Ng - 1997
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