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When an object is clipped, the space it takes up (in terms of its MBR) is ... RC-MID faster, but ignores balancing and clipping. ...
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(1,2): 16-4-5 = 7 (1,3): 27-4-9 = 14 (5,3): 36-3-9 = 24. PickNext. Find max area of ... an entry to the root and redistribute the nodes with the ...
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Add to the group with least enlargement. Quadratic in M: PickSeeds consider every pair ... ChooseLeaf with least enlargement. SplitNode. AdjustTree: propagate ...
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... node has the smallest rectangle that spatially contains the ... Find all objects whose rectangles are overlapped with a search rectangle S. S. R1. R3 ...
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IAMs adjust it incrementally. 24. Image Adjustment. Client contacts a server with a query ... IMSERVER: no IAMs among the servers. IMCLIENT: client images. 32 ...
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... spatial objects with unique identifier. Leaf Nodes: Index records (I, ... each index record (I, tuple-identifier), in a leaf node, I is the smallest ...
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'Find all hotels within a 10 mile radius. ... P. M. Stocker, W. Kent, and P. Hammersley, Eds. Very Large Data Bases. ... SIGMOD '90. ACM, New York, NY, 322-331. ...
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k nearest neighbors: Find the k objects nearest to q ... If PQ becomes large, we have thrashing... BB uses small Lists for each node. ...
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Find the object nearest to a query point q. E.g., find the gas station nearest to the red ... The R-tree can accelerate NN search, too. Concept: mindist(q, E) ...
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R-TREES: A Dynamic Index Structure for Spatial Searching. by A. Guttman, ... Historical R-trees and Time-Parameterized R-tree fo spatiotemporal applications. ...
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... than bounding boxes. Random Projection RTree. Ides. Project the ellipsoids on sufficient random lines ... If a query point lies within the projections, then ...
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Top-k Spatial Joins Po-Sung alowblow@hotmail.com Survey What s top-k spatial joins What s top-k spatial joins Map overlays incur high execution cost Retrieve the ...
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Title: Mining Frequent Patterns Without Candidate Generation Author: Jiawei Han Last modified by: SEC Created Date: 12/1/1999 10:01:55 PM Document presentation format
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Drawback: Works only for surfaces without holes. Patching holes. Close all holes and ... back onto the surface. Examples. Orthogonal projection. RoadKill (by ...
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Inverted Linear Quadtree: Ef cient Top K Spatial Keyword Search Computer Science and Engineering Chengyuan Zhang1,Ying Zhang1,Wenjie Zhang1, Xuemin Lin2,1
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Free. Infrastructure. Warehouses. IT Operations. Use Case: Big Telco. Data ... Get the VMWare image or use it on OSX, Linux, Solaris. 9. Think Big. Think Fast. ...
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Tips for Giving a Good Talk CS 190 Winter 2002 Dr Eamonn Keogh Computer Science & Engineering Department University of California - Riverside Riverside,CA 92521
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Title: Indexing OLAP Data Sunita Sarawagi Author: Monowar Hossain Last modified by: Monowar Hossain Created Date: 11/14/2002 8:41:51 AM Document presentation format
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Can I find all occurences of missing data because someone used subway? ... for multipoints will make querying collections of moving points easier and more efficient. ...
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Neighboring class set mining and co-location pattern mining problem are introduced. Spatial Congeries pattern mining is formulated and provided with two Apriori ...
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Unlike the traditional network, no specific dest address; ... a set of attribute, val pairs over ALL attributes; Subscription Filters: ...
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DBSCAN: Ester, et al. (KDD'96) GDBSCAN: Sander, et ... Ester M., Kriegel H.-P., Sander J. ... Sander J., Ester M., Kriegel H.-P., Xu X.: Density-Based ...
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Title: Implementierung von Queues: Author: Peter Hertling Last modified by: DCC Created Date: 11/20/2003 6:07:15 AM Document presentation format: Presentaci n en ...
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Chapter 6: Searching trees and more Sorting Algorithms 6.1 Binnary Tree The Bin Tree class with traversing methods 6.2 Searching Trees
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Skyrme-Hartree-Fock 3 Skyrme-Hartree-Fock 3 ...
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Storage Types and Data Loading User Defined Spatial Storage Types GEOMETRY OGC Compliant Installs with PostGIS under PUBLIC schema Use PG_GEOMETRY keyword ...
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Structured-Element (SElement) is an extension of DOM Element ... the range of XML segments to be transformed from original DOM tree to SEOM SElement objects ...
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Scan all points of D checking each against Q ... Offline estimation (Data Synopsis) Sampling, Histograms, Wavelets. Our Technique: ...
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Managing Very Large LIDAR Point Clouds in an Enterprise Database
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National University of Singapore PhD. XML query processing and XML keyword search ... Internet Search Data Analytics: A Case Study. Various solutions explored: ...
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Build your own MapQuest! Adding Spatial Smarts to PostgreSQL with PostGIS. Paul Ramsey ... Write Map File ... MapQuest is an example of excellent cartography. ...
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Perform inserts and deletes on Btrees, extndible and linear hash indexes ... Insert: Find leaf data entry belongs to, and put it there. Perhaps in an overflow page ...
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Title: API PRESENTATION Author: Cary Wahlmeier Last modified by: Esa.Falkenroth Created Date: 8/15/2001 12:50:36 PM Document presentation format: Bildspel p sk rmen
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Title: SQL Query Optimisation Subject: Ian Smith's Master Author: Dept of Computing Sciences Last modified by: Gitte Christensen Created Date: 9/15/1997 9:06:54 AM
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Global and local efforts. GBIF (Global Biodiversity Information Facility) Karnataka Bio-diversity Board [Deccan Herald - Aug 26 2000] BODHI. 4. Bio-diversity Data ...
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Empirical Study. Conclusion. 1. Introduction. Bichromatic Reverse Nearest Neighbor (BRNN) ... Related Work. Closest Pair. Running time = O(|P| x |O|2) Stable Marriage ...
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Dynamic Granular Locking Approach to Phantom Protection in R-trees Kaushik Chakrabarti Sharad Mehrotra Department of Computer Science University of Illinois at Urbana ...
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IDD HRS BUFR data stream. Multithreaded processing of IDD messages. Indexing data ... stream. Break into. Separate. messages. Message. Queue. pipe ...
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MAG = combination of field, blue, red values plus flags ... sorted based on their Hilbert value and stored adjacently in R-tree leaf pages ...
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Very Large Dataset Access and Manipulation: Active Data Repository (ADR) DataCutter and MetaChaos Joel Saltz University of Maryland, College Park
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Title: Design Pattern : Composite Author: INPE Last modified by: karine ferreira Created Date: 11/19/2001 4:51:37 PM Document presentation format
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Person(John Doe, Smallville) updated at 26-Aug-1993. Person(John Doe, Bigtown) ... Person(John Doe, Smallville, 3-Apr-1975, 26-Aug-1993) ...
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Need for Text Mining tools to help the researcher gather the scattered knowledge. ... instead of the original rows we can represent docs with the rows of matrix U*Sk. ...
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Values are instances of type classes ... 4 bytes of flag: is null, little indian/big indian, ... Value. Padding: ... on cardinality of intermediate relations. ...
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University of California, Berkeley. School of Information. IS 257: ... Ticketmaster. Yahoo!. The US Census bureau. and many, many others. IS 257 Fall 2006 ...
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Micro-sensors, on-board processing, wireless interfaces feasible ... Geophone, DS/SS. Radio, strongARM, Multi-hop networks. Sensor Mote. UCB, 2000. RFM radio, ...
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... requires finding the supporting lines from pi to Ci-1, ... pi. Left supporting line. Right supporting line ... varies between p and pi for the point ...
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Prevalence of spatial data and its applications ... Tick entry positions as 1 if object has the relation, otherwise mark as 0. ...
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Support the implementation of database systems (prototypes) with new kinds of ... implemented on top of BerkeleyDB storage manager. written in C . Optimizer: ...
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Simple & independent of query shape. Good only for uniform distribution of input and can be quite ... Classical solutions, though good for small dimension space, ...
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... (start-iter, end-iter, unary-func, ... for_each (start-iter, end-iter, function) iter_swap(iter1, iter2) swap ... find(start-iter, end-iter, val) empty ...
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At most one forwarding message for key search or ... A File of records identified by keys ... Freenet, Napster, Gnutella... Structured P2P reduce the flooding ...
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1 / 18. Federal University of Rio de Janeiro COPPE/UFRJ ... name hydrography /nome servers rio.cos.ufrj.br. recife.cos.ufrj.br /servers /theme ...
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