Random sampling and generation over data streams and graphs

... this thesis, we focus on random sampling and generation problems over data streams and large graphs We first conceptually indicate the relation between random sampling and generation We also introduce ... algorithms, Random Walk Sampling and Forest Fire Sampling have the best overall performance The Random Walk Sampling algorithm selects uniformly at rand...

Ngày tải lên: 10/09/2015, 09:28

... the data stream case because of the huge volume of the underlying data Chapter 11 explores the problem of indexing and querying data streams Dimensionality Reduction and Forecasting in Data Streams ... watermark DATA STREAMS: MODELS AND ALGORITHMS with the high-level data mining process, and discovers data evolution regularities as well Our analysis and experime...

Ngày tải lên: 08/11/2013, 02:15

... this watermark 36 DATA STREAMS: MODELS AND ALGORITHMS Discussion In this paper, we have discussed effective and efficient methods for clustering and classification of data streams The techniques ... both hardware and software technologies, automated data generation and storagehas become faster than ever Such data is referred to as data streams Streaming data is u...

Ngày tải lên: 08/11/2013, 02:15

... Demand Classification of Data Streams, Proc 2004 Int Con$ on Knowledge Discovery and Data Mining (KDD '04), Seattle, WA [4] Babcock B., Babu S., Datar M., Motwani R., and Widom J (2002) Models and ... 4.3 DATA STREAMS: MODELS AND ALGORITHMS On Demand Classification Aggarwal et al have adopted the idea of micro-clusters introduced in CluStream [2] in On-Demand classificatio...

Ngày tải lên: 08/11/2013, 02:15

... watermark 94 DATA STREAMS: MODELS AND ALGORITHMS spatial locations in the data at which the data is being reduced, those at which the data is increasing, and those from where the data is shifting ... Kawasoe, and Setsuo Arikawa Online algorithms for mining semi-structured data stream In ICDM, pages 27-34,2002 [4] B Babcock, S Babu, M Datar, R Motwani, and J Widom Mode...

Ngày tải lên: 15/12/2013, 13:15

... remove this watermark 108 DATA STREAMS: MODELS AND AL.GORITHMS Architecture for On-line Analysis of Data Streams To facilitate on-line, multi-dimensional analysis of data streams, we propose a stream-cube ... regression measures A data stream is considered as a voluminous, infinite flow of data records, such as power supply streams, Web click streams, and telephone call...

Ngày tải lên: 15/12/2013, 13:15

... over data streams Data elements arrive on multiple data streams, and the system examines each data item as it arrives and attempts to assign it to one of a finite set of classes using a data ... makes On the other hand, a Monte Carlo algorithm is a randomized algorithm >A lease purchase PDF Split-Merge on www.verypdf.com to remove this watermark 158 DATA STREAMS: MODEL...

Ngày tải lên: 15/12/2013, 13:15

... Introduction Data streams pose a unique challenge to many database and data mining applications because of the computational and storage costs associated with the large volume of the data stream ... this watermark 174 DATA STREAMS: MODELS AND ALGORITHMS The Chernoff bound [14] applies when X is the sum of several independent and identical Bernoulli random variables, and...

Ngày tải lên: 15/12/2013, 13:15

... Data Streams VLDB Conference [2] Aggarwal C, Han J., Wang J., Yu P (2004) On-Demand Classification of Data Streams ACM KDD Conference [3] Aggarwal C (2006) On Futuristic Query Processing in Data ... remove this watermark 204 DATA STREAMS: MODELS AND ALGORITHMS [31] Flajolet P., Martin G N (1985) Probabilistic Counting for Database Applications Journal of Computer and Syste...

Ngày tải lên: 15/12/2013, 13:15

... Wang, and C Zaniolo Query languages and data models for database sequences and data streams In VLDB, pages 492-503,2004 [20] M Lee, W Hsu, C Jensen, B Cui, and K Teo Supporting frequent updates ... www.verypdf.com to remove this watermark 238 DATA STREAMS: MODELS AND ALGORITHMS Introduction Raw stream data, such as faults and alarms generatedby network traffic monit...

Ngày tải lên: 15/12/2013, 13:15

... watermark 284 DATA STREAMS: MODELS AND ALGORITHMS (a) Stream size t (b) Streams n (c) Hidden variables k Figure 12.8 Wall-clock times (including time to update forecasting models) Times for AR and MUSCLES ... synchronous and asynchronous data streams In KDD [lo] Guha, Sudipto, Meyerson, Adam, Mishra, Nina, Motwani, Rajeev, and OYCallaghan, Liadan (2003b) Clustering data...

Ngày tải lên: 15/12/2013, 13:15

... Management of Data (SIGMOD), 2003 [4] V Barnett and T Lewis Outliers in Statistical Data John Wiley and Sons, 1994 [5] J Beringer and E Hullermeier Online clustering of parallel data streams Data and Knowledge ... 302 DATA STREAMS: MODELS AND ALGORITHMS Chen et a1 present GATES [7], a middleware for processing distributed data streams This middleware targets dat...

Ngày tải lên: 15/12/2013, 13:15

... Wang, and P S Yu On demand classification of data streams In KDD, 2004 [4] B Babcock, S Babu, M Datar, R Motwani, and J Widom Models and issues in data stream systems In I n Principles o Database ... watermark 330 DATA STREAMS: MODELS AND RCGORITHMS [lo] P Gibbons and S Tirthapura Estimating simple functions on the union of data streams In ACM Symposium on Parallel...

Ngày tải lên: 15/12/2013, 13:15

... watermark DATA STREAMS: MODELS AND ALGORITHMS Hoeffding Inequality, 46, 174 Hoeffding Trees, 46 HPSTREAM 22 Iceberg Cubing for Stream Data, 112 Index Maintenance in Data Streams, 244 Indexing Data Streams, ... 63 Data Communication in Sensor Networks, 335 Data Distribution Modeling in Sensor Networks, 343 Data Flow Diagram, I36 Decay based Algorithms in Evolving Streams,...

Ngày tải lên: 15/12/2013, 13:15

... this module ! Complete the lab iv Module 10: Data Streams and Files Module Strategy Use the following strategy to present this module: ! Streams Briefly review fundamental stream operations and ... mechanism 2 Module 10: Data Streams and Files Streams Topic Objective To introduce the functions of the Stream class and its subclasses Lead-in Streams prov...

Ngày tải lên: 17/01/2014, 08:20