PPT-Spatial Indexing Techniques

Introduction to Spatial Computing CSE 5ISC Some slides adapted from Spatial Databases A Tour by Shashi Shekhar Prentice Hall 2003 Quadtrees and its Variants Region Quadtrees Some slides borrowed from GIS a computational perspective second edition by M . The essential step in searching. Review a bit. We have seen so far . Crawling . In the abstract and as implemented. Your own code and . Nutch. If you are unsure about anything related to crawling, be sure to speak up now!. BioASQ. Workshop. September 27, 2013. Alan R. Aronson. Lister Hill Center, US National Library of Medicine. alan@nlm.nih.gov. The views and opinions expressed do not necessarily state or reflect those of the U.S. Government, and they may not be used for advertising or product endorsement purposes.. CHARLYN P. SALCEDO, RL. Role of Indexing in Information Retrieval . Relationship of Indexing, Abstracting and Searching . (Cleveland and Cleveland, 2001, p. 31). ‏. DOCUMENT. INDEX. ABSTRACT. PATRON. Goals:. Store large files. Support multiple search keys. Support efficient insert, delete, and range queries. 2. Files and Indexing. Entry sequenced file. : Order records by time of insertion.. Search with sequential search. Introduction to Spatial Computing CSE 555 . Some slides adapted from Spatial Databases. : A Tour by Shashi . Shekhar. Prentice Hall (2003). R-Trees and its Variants . Rectangles and Minimum Bounding Boxes. SpatialHadoop. Type: Research Paper (Experimental evaluation). Authors: Ahmed . Eldawy. , . Louai. . Alarabi. , Mohamed F. . Mokbel. Presented by: Siddhant Kulkarni. Term: Fall 2015. Motivation. Introduction to Spatial Computing CSE 555 . Some slides adapted from Spatial Databases. : A Tour by Shashi . Shekhar. Prentice Hall (2003). R-Trees and its Variants . Rectangles and Minimum Bounding Boxes. Dong Xie. *, Feifei Li*, Bin Yao. . , Gefei Li. . , Liang Zhou. . , . Minyi. . Guo. . Spatial Data is Ubiquitous!. Location-based Services. IoT. Projects & Sensor Networks. Social Media. Problems of Existing Systems. Current Status and Role in Improving Access. to Biomedical Information. A Report to the Board of Scientific Counselors. April 5, 2012. Alan R. Aronson . (Principal Investigator). James G. . Mork. Ke. Deng, . Kexin. . Xie. , Kevin . Zheng. and . Xiaofang. Zhou. 9/06/2016. 1. 2. Chapter Overview. Trajectory Query Classification. Trajectory Similarity Measure. Trajectory Data Index. Trajectory Query Processing. Presented by . Xiaozhi. Yu. Outline. What is spatial database system?. What need to be presented?. Organizing the underlying space.. Spatial data types.. Spatial relationships.. Integrating geometry into DBMS data model.. February 2014. I attended a class about the new indexing tool at rootstech14 in February 2014. Let me summarize what I learned for you.. This is Scott Flinders, the presenter. Scott is senior product manager in charge of developing the new indexing tool.. Vinson Young. Prashant Nair. Moinuddin Qureshi. 1. MOORE’s LAW HITS BANDWIDTH WALL. 2. Moore’s scaling encounters Bandwidth Wall. 3D-DRAM MITIGATES BANDWIDTH WALL. 3. 3D-DRAM. Hybrid Memory Cube (HMC) from Micron, . 3. Filtering . Filtering image data. is a . standard process . used in almost all image processing systems. . Filters. are used to remove . noise. from digital image while keeping the details of image preserved. .