Rethinking the Usage and Experience of Clustering Markers in Web Mapping
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Data Compression: Dictionary-Based Coding 2 / 37 Dictionary-Based Coding Dictionary-Based Coding
Dictionary-based Coding already coded not yet coded search buffer look-ahead buffer cursor (N symbols) (L symbols) We know the past but cannot control it. We control the future but... Last Lecture Last Lecture: Predictive Lossless Coding Predictive Lossless Coding Simple and effective way to exploit dependencies between neighboring symbols / samples Optimal predictor: Conditional mean (requires storage of large tables) Affine and Linear Prediction Simple structure, low-complex implementation possible Optimal prediction parameters are given by solution of Yule-Walker equations Works very well for real signals (e.g., audio, images, ...) Efficient Lossless Coding for Real-World Signals Affine/linear prediction (often: block-adaptive choice of prediction parameters) Entropy coding of prediction errors (e.g., arithmetic coding) Using marginal pmf often already yields good results Can be improved by using conditional pmfs (with simple conditions) Heiko Schwarz (Freie Universität Berlin) — Data Compression: Dictionary-based Coding 2 / 37 Dictionary-based Coding Dictionary-Based Coding Coding of Text Files Very high amount of dependencies Affine prediction does not work (requires linear dependencies) Higher-order conditional coding should work well, but is way to complex (memory) Alternative: Do not code single characters, but words or phrases Example: English Texts Oxford English Dictionary lists less than 230 000 words (including obsolete words) On average, a word contains about 6 characters Average codeword length per character would be limited by 1 -
Mobile Application Development Mapbox - a Commercial Mapping Service Using Openstreetmap
Mobile Application Development Mapbox - a commercial mapping service using OpenStreetMap Waterford Institute of Technology October 19, 2016 John Fitzgerald Waterford Institute of Technology, Mobile Application Development Mapbox - a commercial mapping service using OpenStreetMap 1/16 OpenStreetMap An open source project • OpenStreetMap Foundation • A non-profit organisation • Founded in 2004 by Steve Coast • Over 2 million registered contributors • Primary output OpenStreetMap data Waterford Institute of Technology, Mobile Application Development Mapbox - a commercial mapping service using OpenStreetMap 2/16 OpenStreetMap An open source project • Various data collection methods: • On-site data collection using: • paper & pencil • computer • preprinted map • cameras • Aerial photography Waterford Institute of Technology, Mobile Application Development Mapbox - a commercial mapping service using OpenStreetMap 3/16 MapBox Competitor to Google Maps • Provides commercial mapping services. • OpenStreetMap a data source for many of these. • Large provider of custom online maps for websites. • Clients include Foursquare, Financial Times, Uber. • But also NASA and some proprietary sources. • Startup 2010 • Series B round funding 2015 $52 million • Contrast Google 2015 profit $16 billion Waterford Institute of Technology, Mobile Application Development Mapbox - a commercial mapping service using OpenStreetMap 4/16 MapBox Software Development Kits (SDKs) • Web apps • Android • iOS • JavaScript (browser & node) • Python Waterford Institute of Technology, -
The Uch Enmek Example(Altai Republic,Siberia)
Faculty of Environmental Sciences Institute for Cartography Master Thesis Concept and Implementation of a Contextualized Navigable 3D Landscape Model: The Uch Enmek Example(Altai Republic,Siberia). Mussab Mohamed Abuelhassan Abdalla Born on: 7th December 1983 in Khartoum Matriculation number: 4118733 Matriculation year: 2014 to achieve the academic degree Master of Science (M.Sc.) Supervisors Dr.Nikolas Prechtel Dr.Sander Münster Submitted on: 18th September 2017 Faculty of Environmental Sciences Institute for Cartography Task for the preparation of a Master Thesis Name: Mussab Mohamed Abuelhassan Abdalla Matriculation number: 4118733 Matriculation year: 2014 Title: Concept and Implementation of a Contextualized Navigable 3D Landscape Model: The Uch Enmek Example(Altai Republic,Siberia). Objectives of work Scope/Previous Results:Virtual Globes can attract and inform websites visitors on natural and cultural objects and sceneries.Geo-centered information transfer is suitable for majority of sites and artifacts. Virtual Globes have been tested with an involvement of TUD institutes: e.g. the GEPAM project (Weller,2013), and an archaeological excavation site in the Altai Mountains ("Uch enmek", c.f. Schmid 2012, Schubert 2014).Virtual Globes technology should be flexible in terms of the desired geo-data configuration. Research data should be controlled by the authors. Modes of linking geo-objects to different types of meta-information seems evenly important for a successful deployment. Motivation: For an archaeological conservation site ("Uch Enmek") effort has already been directed into data collection, model development and an initial web-based presentation.The present "Open Web Globe" technology is not developed any further, what calls for a migra- tion into a different web environment. -
Free JULY 2021
free JULY 2021 p.2 July’s E vents p.15 The Art of Danielle Barabé-Bussières p.3 Interview with Tony Belcourt p.11 Music at Daisy Dell Farm p.16 Bloomfest: Blooms & Art July’s Events ALL MONTH MUSIC Bittersweet Gallery presents Anne- Sat Night on Daisy Dell Farm, 7-10PM: Jul 237 Borden Road Marie Chagnon’s jewellery <burnstown. 17 Marie-Lynn Hammond; Jul 24, Mississippi Mills ON K7C 3P1 ca/bittersweet> Rick Fines. Outdoor concert. Perth. Phone: (613) 256–5081 Mississippi Valley Textile Museum $30, ticketsplease.ca presents Homage to Canadian Women, Jul 23, 7PM, Heather Rankin. Studio Editor: and Cloth & Consequence <mvtm.ca> Theatre Perth. Tix: harmonyconcerts. [from Jul 17] ca, $20-40 Kris Riendeau S.M.art Gallery presents Abstract + The Cove (Westport, 273-3636): 5-8PM [email protected] Landscape group show <sarahmoffat. unless noted; Wed Rack ‘n Tunes w/ theHumm Who’s Reading com> [to Jul 4] Shawn McCullough, 5:30-8PM; Sun Head Layout and Design: Sivarulrasa Gallery presents Gayle over Heels Kells [to Jul 2] & William Liao [to Jul Jul 2 Shawn McCullough Rob Riendeau 30] <sivarulrasa.com> Jul 3 Chris Murphy & Jon McLurg [email protected] Strévé Design Gallery presents Jul 5, 19 Matt Dickson Canadian Local: paintings, handweaving, Jul 6, 27 Nolan Hubbard Advertising/Promotions: jewellery <strevedesign.com> Jul 8, 22 Jazz Night w/Spencer Evans Trio Kris Riendeau: (613) 256–5081 Whitehouse Perennials presents Jul 9 Brea Lawrenson Bloomfest Garden Art Show & Sale Jul 10 Jason Kent [email protected] [from Jul 21] Jul 12 David James Allen Jul 13 Spencer Scharf Calendar Submissions: Jul 15 Eric Uren Rona Fraser Jul 16 Borgin & Benni FESTIVALS th [email protected] Jul 3-4, Almonte Celtfest online. -
2018 Celebrity Birthday Book!
2 Contents 1 2018 17 1.1 January ............................................... 17 January 1 - Verne Troyer gets the start of a project (2018-01-01 00:02) . 17 January 2 - Jack Hanna gets animal considerations (2018-01-02 09:00) . 18 January 3 - Dan Harmon gets pestered (2018-01-03 09:00) . 18 January 4 - Dave Foley gets an outdoor slumber (2018-01-04 09:00) . 18 January 5 - deadmau5 gets a restructured week (2018-01-05 09:00) . 19 January 6 - Julie Chen gets variations on a dining invitation (2018-01-06 09:00) . 19 January 7 - Katie Couric gets a baristo’s indolence (2018-01-07 09:00) . 20 January 8 - Jenny Lewis gets a young Peter Pan (2018-01-08 09:00) . 20 January 9 - Joan Baez gets Mickey Brennan’d (2018-01-09 09:00) . 20 January 10 - Jemaine Clement gets incremental name dropping (2018-01-10 09:00) . 21 January 11 - Mary J. Blige gets transferable Bop-It skills (2018-01-11 09:00) . 22 January 12 - Raekwon gets world leader factoids (2018-01-12 09:00) . 22 January 13 - Julia Louis-Dreyfus gets a painful hallumination (2018-01-13 09:00) . 22 January 14 - Jason Bateman gets a squirrel’s revenge (2018-01-14 09:00) . 23 January 15 - Charo gets an avian alarm (2018-01-15 09:00) . 24 January 16 – Lin-Manuel Miranda gets an alternate path to a coveted award (2018-01-16 09:00) .................................... 24 January 17 - Joshua Malina gets a Baader-Meinhof’d rice pudding (2018-01-17 09:00) . 25 January 18 - Jason Segel gets a body donation (2018-01-18 09:00) . -
A Comparison of Feature Density for Large Scale Online Maps
DOI: 10.14714/CP97.1707 PEER-REVIEWED ARTICLE A Comparison of Feature Density for Large Scale Online Maps Michael P. Peterson (he/him) University of Nebraska at Omaha [email protected] Large-scale maps, such as those provided by Google, Bing, and Mapbox, among others, provide users an important source of information for local environments. Comparing maps from these services helps to evaluate both the quality of the underlying spatial data and the process of rendering the data into a map. The feature and label density of three different mapping services was evaluated by making pairwise comparisons of large-scale maps for a series of random areas across three continents. For North America, it was found that maps from Google had consistently higher feature and label den- sity than those from Bing and Mapbox. Google Maps also held an advantage in Europe, while maps from Bing were the most detailed in sub-Saharan Africa. Maps from Mapbox, which relies exclusively on data from OpenStreetMap, had the lowest feature and label density for all three areas. KEYWORDS: Web Mapping Services; Multi-Scale Pannable (MSP) maps; OpenStreetMap; Application Programming Interface (API) INTRODUCTION One of the primary benefits of using online map Since the introduction of the technique in 2005 by services like those available from Google, Bing, and Google, all major online map providers have adopted the OpenStreetMap, is that zooming-in allows access to same underlying technology. Vector data is projected and large-scale maps. Maps at these large scales are not avail- divided into vector tiles at multiple scales. The tile bound- able to most (if any) individuals from any other source. -
Geohack - Boroo Gold Mine
GeoHack - Boroo Gold Mine DMS 48° 44′ 45″ N, 106° 10′ 10″ E Decim al 48.745833, 106.169444 Geo URI geo:48.745833,106.169444 UTM 48U 585970 5399862 More formats... Type landmark Region MN Article Boroo Gold Mine (edit | report inaccu racies) Contents: Global services · Local services · Photos · Wikipedia articles · Other Popular: Bing Maps Google Maps Google Earth OpenStreetMap Global/Trans-national services Wikimedia maps Service Map Satellite More JavaScript disabled or out of map range. ACME Mapper Map Satellite Topo, Terrain, Mapnik Apple Maps (Apple devices Map Satellite only) Bing Maps Map Aerial Bird's Eye Blue Marble Satellite Night Lights Navigator Copernix Map Satellite Fourmilab Satellite GeaBios Satellite GeoNames Satellite Text (XML) Google Earthnote Open w/ meta data Terrain, Street View, Earth Map Satellite Google Maps Timelapse GPS Visualizer Map Satellite Topo, Drawing Utility HERE Map Satellite Terrain MapQuest Map Satellite NASA World Open Wind more maps, Nominatim OpenStreetMap Map (reverse geocoding), OpenStreetBrowser Sentinel-2 Open maps.vlasenko.net Old Soviet Map Waze Map Editor, App: Open, Navigate Wikimapia Map Satellite + old places WikiMiniAtlas Map Yandex.Maps Map Satellite Zoom Earth Satellite Photos Service Aspect WikiMap (+Wikipedia), osm-gadget-leaflet Commons map (+Wikipedia) Flickr Map, Listing Loc.alize.us Map VirtualGlobetrotting Listing See all regions Wikipedia articles Aspect Link Prepared by Wikidata items — Article on specific latitude/longitude Latitude 48° N and Longitude 106° E — Articles on -
A New Way of Accelerating Web by Compressing Data with Back Reference-Prefer Geflochtener
442 The International Arab Journal of Information Technology, Vol. 14, No. 4, July 2017 A New Way of Accelerating Web by Compressing Data with Back Reference-Prefer Geflochtener Kushwaha Singh1, Challa Krishna2, and Saini Kumar1 1Department of Computer Science and Engineering, Rajasthan Technical University, India 2Department of Computer Science and Engineering, Panjab University, India Abstract: This research focused on the synthesis of an iterative approach to improve speed of the web and also learning the new methodology to compress the large data with enhanced backward reference preference. In addition, observations on the outcomes obtained from experimentation, group-benchmarks compressions, and time splays for transmissions, the proposed system have been analysed. This resulted in improving the compression of textual data in the Web pages and with this it also gains an interest in hardening the cryptanalysis of the data by maximum reducing the redundancies. This removes unnecessary redundancies with 70% efficiency and compress pages with the 23.75-35% compression ratio. Keywords: Backward references, shortest path technique, HTTP, iterative compression, web, LZSS and LZ77. Received April 25, 2014; accepted August 13, 2014 1. Introduction Algorithm 1: LZ77 Compression Compression is the reduction in data size of if a sufficient length is matched or it may correlate better with next input. information to save space and bandwidth. This can be While (! empty lookaheadBuffer) done on Web data or the entire page including the { header. Data compression is a technique of removing get a remission (position, length) to longer match from search white spaces, inserting a single repeater for the repeated buffer; bytes and replace smaller bits for frequent characters if (length>0) Data Compression (DC) is not only the cost effective { Output (position, length, nextsymbol); technique due to its small size for data storage but it transpose the window length+1 position along; also increases the data transfer rate in data } communication [2]. -
A Review of Openstreetmap Data Peter Mooney* and Marco Minghini† *Department of Computer Science, Maynooth University, Maynooth, Co
CHAPTER 3 A Review of OpenStreetMap Data Peter Mooney* and Marco Minghini† *Department of Computer Science, Maynooth University, Maynooth, Co. Kildare, Ireland, [email protected] †Department of Civil and Environmental Engineering, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy Abstract While there is now a considerable variety of sources of Volunteered Geo- graphic Information (VGI) available, discussion of this domain is often exem- plified by and focused around OpenStreetMap (OSM). In a little over a decade OSM has become the leading example of VGI on the Internet. OSM is not just a crowdsourced spatial database of VGI; rather, it has grown to become a vast ecosystem of data, software systems and applications, tools, and Web-based information stores such as wikis. An increasing number of developers, indus- try actors, researchers and other end users are making use of OSM in their applications. OSM has been shown to compare favourably with other sources of spatial data in terms of data quality. In addition to this, a very large OSM community updates data within OSM on a regular basis. This chapter provides an introduction to and review of OSM and the ecosystem which has grown to support the mission of creating a free, editable map of the whole world. The chapter is especially meant for readers who have no or little knowledge about the range, maturity and complexity of the tools, services, applications and organisations working with OSM data. We provide examples of tools and services to access, edit, visualise and make quality assessments of OSM data. We also provide a number of examples of applications, such as some of those How to cite this book chapter: Mooney, P and Minghini, M. -
Navegação Turn-By-Turn Em Android Relatório De Estágio Para A
INSTITUTO POLITÉCNICO DE COIMBRA INSTITUTO SUPERIOR DE ENGENHARIA DE COIMBRA Navegação Turn-by-Turn em Android Relatório de estágio para a obtenção do grau de Mestre em Informática e Sistemas Autor Luís Miguel dos Santos Henriques Orientação Professor Doutor João Durães Professor Doutor Bruno Cabral Mestrado em Engenharia Informática e Sistemas Navegação Turn-by-Turn em Android Relatório de estágio apresentado para a obtenção do grau de Mestre em Informática e Sistemas Especialização em Desenvolvimento de Software Autor Luís Miguel dos Santos Henriques Orientador Professor Doutor João António Pereira Almeida Durães Professor do Departamento de Engenharia Informática e de Sistemas Instituto Superior de Engenharia de Coimbra Supervisor Professor Doutor Bruno Miguel Brás Cabral Sentilant Coimbra, Fevereiro, 2019 Agradecimentos Aos meus pais por todo o apoio que me deram, Ao meu irmão pela inspiração, À minha namorada por todo o amor e paciência, Ao meu primo, por me fazer acreditar que nunca é tarde, Aos meus professores por me darem esta segunda oportunidade, A todos vocês devo o novo rumo da minha vida. Obrigado. i ii Abstract This report describes the work done during the internship of the Master's degree in Computer Science and Systems, Specialization in Software Development, from the Polytechnic of Coimbra - ISEC. This internship, which began in October 17 of 2017 and ended in July 18 of 2018, took place in the company Sentilant, and had as its main goal the development of a turn-by- turn navigation module for a logistics management application named Drivian Tasks. During the internship activities, a turn-by-turn navigation module was developed from scratch, while matching the specifications indicated by the project managers in the host entity. -
Daftar Pustaka.Pdf
Hak cipta dan penggunaan kembali: Lisensi ini mengizinkan setiap orang untuk menggubah, memperbaiki, dan membuat ciptaan turunan bukan untuk kepentingan komersial, selama anda mencantumkan nama penulis dan melisensikan ciptaan turunan dengan syarat yang serupa dengan ciptaan asli. Copyright and reuse: This license lets you remix, tweak, and build upon work non-commercially, as long as you credit the origin creator and license it on your new creations under the identical terms. Team project ©2017 Dony Pratidana S. Hum | Bima Agus Setyawan S. IIP DAFTAR PUSTAKA Adhitama, G. 2009. Perbandingan Algoritma Huffman Dengan Algoritma Shannon-Fano. Institut Teknologi Bandung. Alakuijala, H., Kliuchnikov, E., Szabadka, Z., & Vandevenne, L. 2015. Comparison of Brotli, Deflate, Zopfli, LZMA, LZHAM and Bzip2 Compression Algorithm. Alakuijala, J., & Szabadka, Z. 2016. Internet Engineering Task Force (IETF). Tersedia dalam: https://www.ietf.org/rfc/rfc7932.txt. [Diakses tanggal 11 November 2017] Anggriani, M. 2011. Perbandingan Metode Kompresi Huffman dan Dynamic Markov Compression (DMC). Bell, C. A. 2007. Expert MySQL. New York: Apress. Boedi, D., Rustamaji, H. C., & Nugraha, M. A. 2009. Aplikasi Kompresi SMS Berbasis JAVA ME Dengan Metode Kompresi LZW-Huffman. UPN "Veteran" Yogyakarta,. Dalam Seminar Nasional Informatika. Darmawan, D. 2014. Pengembangan E-Learning Teori dan Desain. Eka, N. 2016. Pengembangan E-learning Dengan Schoology Pada Materi Dinamika Benda Tegar. Universitas Lampung Salomon, D. 2007. Data Compression The Complete Reference Fourth Edition, hal. 2. Fransisca, C. 2014. Implementasi Algoritma Kompresi Deflate Pada Website Berbasis PHP dan Basis Data Mysql. Google. 2015. Github. Brotli. Tersedia dalam: https://github.com/google/brotli. [Diakses tanggal 25 Mei 2017] Harahap, E. M., Rachmawati, D., & Herriyance. -
Mobile GPS Mapping Applications Forensic Analysis & SNAVP the Open Source, Modular, Extensible Parser
Journal of Digital Forensics, Security and Law Volume 12 Article 7 3-31-2017 Find Me If You Can: Mobile GPS Mapping Applications Forensic Analysis & SNAVP the Open Source, Modular, Extensible Parser Jason Moore Ibrahim Baggili University of New Haven Frank Breitinger Follow this and additional works at: https://commons.erau.edu/jdfsl Part of the Computer Engineering Commons, Computer Law Commons, Electrical and Computer Engineering Commons, Forensic Science and Technology Commons, and the Information Security Commons Recommended Citation Moore, Jason; Baggili, Ibrahim; and Breitinger, Frank (2017) "Find Me If You Can: Mobile GPS Mapping Applications Forensic Analysis & SNAVP the Open Source, Modular, Extensible Parser," Journal of Digital Forensics, Security and Law: Vol. 12 , Article 7. DOI: https://doi.org/10.15394/jdfsl.2017.1414 Available at: https://commons.erau.edu/jdfsl/vol12/iss1/7 This Article is brought to you for free and open access by the Journals at Scholarly Commons. It has been accepted for inclusion in Journal of Digital Forensics, Security and Law by an authorized administrator of (c)ADFSL Scholarly Commons. For more information, please contact [email protected]. Find me if you can: Mobile GPS mapping ... JDFSL V12N1 FIND ME IF YOU CAN: MOBILE GPS MAPPING APPLICATIONS FORENSIC ANALYSIS & SNAVP THE OPEN SOURCE, MODULAR, EXTENSIBLE PARSER Jason Moore, Ibrahim Baggili and Frank Breitinger Cyber Forensics Research and Education Group (UNHcFREG) Tagliatela College of Engineering University of New Haven, West Haven CT, 06516, United States e-Mail: [email protected], fIBaggili, [email protected] ABSTRACT The use of smartphones as navigation devices has become more prevalent.