agi2007 ed freyfogle
DESCRIPTION
Ed Freyfogle's presentation at AGI2007TRANSCRIPT
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Lessons learned while taking a geocentric mashup to being a business
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Why should you care?
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Web2.0
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Why should you care?
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Are complex GIS products needed to build a geocommunity?
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Numbers:
500,000 UK homes
219,000 unique UK users*
10+ types of geodata
2 countries
8 employees
approx. £5,000 amount spent on GIS
* Comscore July 2007
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Challenges:
• geocoding
• understanding user intent
• merging diverse geodata
• internationalisation
• open API
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Geocoding:
• free text to longitude, latitude
• 10 Poland Street, W1F 7NJ to 51.512438, -0.133619
• 100,000s transactions/day (10,000/min peak)
• multiple countries
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Free Trade Wharf, 340 The Highway, Wapping/Limehouse London
Fountain Road (Flat 2), Edgbaston, UK
15, ASTLEY HOUSE, LONDON
Albert Villas, Gilbert Mews, LEIGHTON BUZZARD, Bedfordshire, LU7 1NF
Lake Lock Drive, Wakefield West Yorkshire
Church Lane, London
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UK postcodes
(((^[BEGLMNS][1-9]\d?) | (^W[2-9] ) | ( ^( A[BL] | B[ABDHLNRST] |C[ABFHMORTVW] | D[ADEGHLNTY] | E[HNX] | F[KY] | G[LUY] | H[ADGPRSUX] |I[GMPV] | JE | K[ATWY] | L[ADELNSU] | M[EKL] | N[EGNPRW] | O[LX] |P[AEHLOR] | R[GHM] | S[AEGKL-PRSTWY] | T[ADFNQRSW] | UB | W[ADFNRSV] |YO | ZE ) \d\d?) | (^W1[A-HJKSTUW0-9]) | (( (^WC[1-2]) | (^EC[1-4]) |(^SW1) ) [ABEHMNPRVWXY] ) ) (\s*)? ([0-9][ABD-HJLNP-UW-Z]{2}))
housenumbers
\b(\d+[\-\/]?\d*[\-]?[A-F]*[\-\/]?\w*)\b
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• about 800k streets, 350k unique names in UK• 1341x High Street• 1319x Station Road• 1015x Church Street
• 140 abbreviations• Av, Dr, Rd, Sq, Pl, Pk ...
• cleansing, typos, spacing, utf8, house numbers ...
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User intent
I want to live “near “ Central London
I want to live “near “ Soho
I want to live “near “ Speyton
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‘Waterloo’
• five different Waterloos in the UK
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‘Rushton’
• three different Rushtons in the UK
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Merging diverse geodata
MP constituencies
no correlation to boroughs/postcodes/anything
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Photos of every OS grid
no correlation to boroughs/postcodes/anything
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Internationalis(z)ation
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Major differences:• base data
RoyalMail vs. Tele Atlas
• character set
• different scales UK postcode is not the same as an ES postcode
• market differences‘The flat is in central Madrid’
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Exposing geodata
Google mapplet
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Facebook Application
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Widgets
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Literally cut and paste
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Open Formats• GeoRSS
• API You can have our data
• Sharing is good!Yahoo Pipes, Facebook Platform …
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Why should you care?
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It’s very possible to build a geocommunity without GIS
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Is the professional GIScommunity relevant?
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Points to consider:• Openness wins
• You can’t compete with free
• Data is becoming a commodity. Rapidly
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What to do?• Communicate more
• Free your data
• Engage with innovators, don’t fight them
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Questions/Discussion
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Other interesting things I haven’t mentioned
• Text analysis/cleansing
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• Detecting duplicates
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Learn more:http://blog.nestoria.co.uk