streams lakes and wetlands

... [Defining Rivers, Streams, Lakes, and Ponds] streams Land completely sur- PROFILE: LAKE NATRON rounds lakes and ponds The Lake Natron in Tanzania, Africa, has an difference between lakes and incredibly ... the land [Defining Rivers, Streams, Lakes, and Ponds] streams provide excellent The Mississippi homes for trout The water River and Africa’s deltas (DEL-tuhz) deposits of is quick and clear and ... America’s major rivers and lakes 21 [Defining Rivers, Streams, Lakes, and Ponds] not always been successful The problems challenging Factory waste, shipping, and European rivers and lakes large human...

Ngày tải lên: 15/01/2015, 14:21

... Mississippi River Basin’s Small Streams and Wetlands Chapter Headwaters and Wetlands: Their Function and Prevalence in the Mississippi River Basin S mall streams and wetlands are important because ... wetland types include wet meadows, river fringing wetlands along small nonnavigable rivers and streams, lake fringing wetlands for smaller nonnavigable lakes, many forested wetlands, old meander ... (e.g., wetlands, reservoirs, irrigation canals).”91 Natural Resources Defense Council I 24   Missing Protection: Polluting the Mississippi River Basin’s Small Streams and Wetlands Wetlands Wetlands...

Ngày tải lên: 17/02/2014, 10:20

... students and researchers It is hoped that this book will provide a reference to students, researchers and practitioners in both introducing the topic of data streams and understanding the practical and ... indexing and querying data streams Dimensionality Reduction and Forecasting in Data Streams Because of the inherent temporal nature of data streams, the problems of dimensionality reduction and forecasting ... Beyond 0's and 1's References and Related Work Conclusion References A Survey of Synopsis Construction in Data Streams u Cham C Agganual, Philip S Y Introduction Sampling Methods 2.1 Random Sampling...

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 ubiquitous today and it is often ... environments with limited bandwidth such as sensor networks and handheld devices Thus knowledge structure representation is an important issue After extracting models and patterns locally from...

Ngày tải lên: 08/11/2013, 02:15

... 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 classification in [3] The on-demand ... H and Yu P S (2003) Online mining of changesfrom data streams: Research problems and preliminary results, In Proceedings of the 2003 ACM SIGMOD Workshop on Management and Processing of Data Streams ... nature of the data streams An important motivation behind the framework is to deal with the expiration of old data streams The idea of using the most recent data streams to build and use the developed...

Ngày tải lên: 08/11/2013, 02:15

... volumes, flowing inand-out dynamically, and changing rapidly Due to limited resources available and the usual requirements of fast response, most data streams may not be fully stored and may only be ... to understand, visualize and determine trends in the evolution of fast data streams We show how to use velocity density estimation in order to create both temporal velocity proJiles and spatial ... time was reversed and the data stream arrived in reverse order, starting at t ht and ending at t Examples of the forward and reverse density profiles are illustrated in Figures 5.1 and 5.2 respectively...

Ngày tải lên: 15/12/2013, 13:15

... supply streams, Web click streams, and telephone calling streams The data is collected at the most detailed level in a multi-dimensional space, which may represent time, location, user, and other ... response, and both space and time are critical in processing, we examine both time and space consumption In our study, besides presenting the total time and memory taken to compute and store ... beforehand, which does not fit the single-scan and dynamic nature of data streams Recently, there have been intensive studies on the management and querying of stream data ([8, 17, 18, 16]), and...

Ngày tải lên: 15/12/2013, 13:15

... executing classificationqueries 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 ... studied by Das, Gehrke and Riedwald [6] and Kang, Naughton and Viglas [16] This further motivates the need to maintain various statistics over sliding windows, using small space and update time This ... 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: MODELS AND ALGORITHMS that...

Ngày tải lên: 15/12/2013, 13:15

... 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 has a lower tail bound ... www.verypdf.com to remove this watermark DATA STREAMS: MODELS AND ALGORITHMS the wavelet coefficient definition i.e half the difference between the left hand and right hand side of the time series While ... point with each of these random vectors Each component of the k random vectors is drawn from the normal distribution with zero mean and unit variance In addition, the random vector is normalized...

Ngày tải lên: 15/12/2013, 13:15

... Discussion and Challenges In this paper, we provided an overview of the different methods for synopsis construction in data streams We discussed random sampling, wavelets, sketches and histograms ... 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 Streams. EDBT ... this watermark 212 DATA STREAMS: MODELS AND ALGORITHMS duration w, we simply regard the stream join between S 1and S2as a relational join view over append-only bags S 1and S2with an extra "window...

Ngày tải lên: 15/12/2013, 13:15

... Keogh and T Folias Time Series Data Mining Archive In http://www.cs.ucr:edu/"eamonn/TSDMA, 2002 [I 91 Y Law, H Wang, and C Zaniolo Query languages and data models for database sequences and data streams ... exist For example, methods and insights from the wellstudied problems of answering query using views [26] and view selection [14] could be extended and applied to data streams: Given a set of stream ... data streams ACM Transactions on Database Systems, 29(3):545-580 [8] Babu, S and Widom, J (2001) Continuous queries over data streams ACM SIGMOD Record [9] Bizarro, P., Babu, S., DeWitt, D., and...

Ngày tải lên: 15/12/2013, 13:15

... the beginning, most streams exhibit a slow dip and then ascent (e.g., see 2, and and, to a lesser extent, 3, and 8) However, a number of them start fluctuating more quickly and violently when ... related work, on data streams and stream mining Section and overview some of the background Section describes our method and Section shows how its output can be interpreted and immediately utilized, ... synchronous and asynchronous data streams In KDD [lo] Guha, Sudipto, Meyerson, Adam, Mishra, Nina, Motwani, Rajeev, and OYCallaghan, Liadan (2003b) Clustering data streams: Theory and practice...

Ngày tải lên: 15/12/2013, 13:15

... scales linearly with the number of streams and is adaptive and fully automatic It dynamically detects changes (both gradual and sudden) in the input streams, and automatically determines the number ... (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 Engineering, ... watermark 306 DATA STREAMS: MODELS AND ALGORITHMS [25] H Kargupta, R Bhargava, K Liu, M Powers, P Blair, S Bushra, J Dull, K Sarkar, M Klein, M Vasa, and D Handy Vedas: A mobile and distributed...

Ngày tải lên: 15/12/2013, 13:15

... 2003 [3] C Aggarwal, J Han, J 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 ... 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 Algorithms and Architectures, ... 5, 10, 15, 16,22,23,24,30, and 31 are in site A Nodes 2,6,7, 11, 17,18,25,26, and 32 are in site B Nodes 3,8, 12, 19,20, and 27 are in site C Nodes 4,9, 13, 14,21, 28, and 29 are in site D A dataset...

Ngày tải lên: 15/12/2013, 13:15

... Classification in Distributed Data Streams, 297 Classification in Sensor Networks, 14 Classification of Streams, 39 Clustering in Distributed Streams, 295 Clustering streams, 10 CluStream, 10 Community ... 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, ... Forecasting Data Streams, 261 Forward Density Profile, 91 Frequency Based Model for Stream Joins, 218 Frequent Itemset Mining in Distributed Streams, 296 Frequent Pattern Mining in Distributed Streams, ...

Ngày tải lên: 15/12/2013, 13:15

... about Streams and contains the following chapters: I Chapter 1, "Introduction to Streams" I Chapter 2, "Streams Capture Process" I Chapter 3, "Streams Staging and Propagation" I Chapter 4, "Streams ... Tools for a Streams Environment Introduction to Streams 1-1 Overview of Streams Overview of Streams Oracle Streams enables information sharing Using Oracle Streams, you can share data and events ... the new features in Oracle Streams: I Streams Performance Improvements I Streams Configuration and Manageability Enhancements I Streams Replication Enhancements I Streams Messaging Enhancements...

Ngày tải lên: 17/01/2014, 06:20

... services Chapter 17, Lakes and reservoirs Chapter 33, Lakes and reservoirs of North America Chapter 75, Turbidity Chapter 141, Eutrophication of lakes and reservoirs Chapter 198, Lakes as ecosystems ... nearby and therefore has low travel costs The recreation demand for a site is depicted in Figure 2, with the recreation demand curve showing the inverse relationship between travel costs and individuals’ ... is denoted as λi1 , and each visitor’s higher expected improved water quality trips is denoted as λi , where i denotes the visitor, and the numbers and denote the current and improved state of...

Ngày tải lên: 07/03/2014, 12:20

... 2006) and the connectivity between the flood-plain lakes and their river source waters (Lesack and Marsh 2007) A1.15 High Arctic wetlands and owing waters The Arctic also contains many wetlands and ... 14, Zackenberg, Greenland; 15, Iceland lakes (e.g Thingvallavatn, Thorisvatn, Grổnalún); 16, Svalbard lakes; 17, Kuokkel lakes, northern Sweden; 18, Lapland lakes, Finland; 19, Pechora River, ... AKES AND RIVERS more diverse animal, plant, and microbial compositions, and more complex food webs, than in Antarctica Fish are absent from Antarctic lakes and streams, and many south polar lakes...

Ngày tải lên: 29/03/2014, 17:20

... across the land filling lakes, ponds, wetlands, and streams, and finally discharges to the oceans, bringing nutrients and organic matter that subsidize marine food chains All life, and all human ... Nutrient Source Controls: Ponds and Wetlands 5.5.1 Introduction 122 5.5.2 Dry And Wet Extended Detention (ED) Ponds 5.5.3 Constructed Wetlands 5.6 Constructed Wetlands: Case Histories 5.7 Pre-Dams ... reservoirs and natural lakes, and on streams to the extent that they transport particulate and dissolved organic and inorganic materials to these water bodies However, lakes and reservoirs have...

Ngày tải lên: 11/08/2014, 15:20

... glacial lakes in Alaska and the mountainous west, (3) the coastal plain and karst (solution) lakes of the southeast, especially Florida, and (4) scattered small regions of playas, potholes and sandhill ... gradient) and retention or loss of materials Lakes and reservoirs represent a continuum of ecological conditions (Canfield and Bachmann, 1981) Kimmel and Groeger (1984) and Søballe and Kimmel ... Nutrients, organic and silt loads Sediment nutrient release External-internal nutrient load Streams, overland flows, wetland discharge FIGURE 2.6 Loadings and primary interactions in lakes and reservoirs...

Ngày tải lên: 11/08/2014, 15:20