HTML 5 is finished - Let's start again

Open Data Day 2015
Athens, 28 February

http://www.w3.org/2015/Talks/0228_phila_odd15/

Phil Archer <phila@w3.org>

@philarcher1

Where it all began

Iconic diagram from front of original proposal Tim's Browser for the NeXT

Where We Are Today

Most of the W3C Team, Shenzhen, November 2013
Porsche Cayman

Porsche Cayman Attribution Noncommercial Some rights reserved by Nikos Koutoulas

Convergent Evolution

Miss Globe Mr Cube
Miss Globe and Mr Cube, created by Frans Knibbe of Geodan

Convergent Evolution

Smart City Concept Model screenshot City of Palo Alto data screenshot
5 star data models and 3 star (CSV-based) tables

The 5 Stars of Linked Open Data

5 Star Linked data Mug
Available on the Web (whatever format) but with an open licence, to be Open Data
★★Available as machine-readable structured data (e.g. excel instead of image scan of a table)
★★★ as (2) plus non-proprietary format (e.g. CSV instead of Excel)
★★★★All the above plus, Use open standards from W3C (RDF and SPARQL) to identify things, so that people can point at your stuff
★★★★★All the above, plus: Link your data to other people’s data to provide context

Originally developed by Tim Berners-Lee

Available on the web

Usually means PDF, or worse, a screenshot of something.

You need to be a (sighted) human to access the information.

Available on the Web

An agenda as a screenshot

★ ★ Available as machine-readable structured data

Screenshot of same agenda in Excel

★ ★ Available as machine-readable structured data

Screenshot of the code behind the Excel sheet

★ ★ ★ Non-proprietary format

CSV* is King:

* Comma Separated Variables

★ ★ ★ Non-proprietary format

Prescribing Analytics logo An excellent example of what can be done with 3 star data.

 SHA	PCT	PRACTICE	BNF CODE	BNF NAME                                    	ITEMS  	NIC        	ACT COST   	QUANTITY	PERIOD
Q30	5D7	A86003	0101010G0AAABAB	Co-Magaldrox_Susp 195mg/220mg/5ml S/F   	18	52.24	48.71	10000	201206
Q30	5D7	A86003	0101010N0AAAAAA	Antacid/Oxetacaine_Oral Susp S/F        	1	97.42	89.77	300	201206
Q30	5D7	A86003	0101010R0AAABAB	Simeticone_Susp 40mg/ml S/F             	2	4.9	4.58	100	201206
Q30	5D7	A86003	0101021B0AAAHAH	Gppe Liq_Gaviscon S/F                   	2	4.45	4.17	1000	201206
Q30	5D7	A86003	0101021B0AAALAL	Sod Algin/Pot Bicarb_Susp (Aniseed) S/F 	3	11.8	10.97	1300	201206
Q30	5D7	A86003	0101021B0BCAAAC	Gastrocote_Tab                          	2	14.04	13	400	201206
Q30	5D7	A86003	0101021B0BEADAJ	Gaviscon Infant_Sach 2g (Dual Pack) S/F 	6	65.78	60.79	330	201206
Q30	5D7	A86003	0101021B0BEAIAL	Gaviscon Advance_Liq (Aniseed) S/F      	14	85.8	79.49	9450	201206
Q30	5D7	A86003	0101021B0BEAKAQ	Gaviscon Advance_Liq (Peppermint) S/F   	11	55.76	51.71	5850	201206
Q30	5D7	A86003	0101021B0BEAQAP	Gaviscon Advance_Tab Chble 500mg Mint   	4	21.76	20.17	480	201206

★ ★ ★ Non-proprietary format

Prescribing Analytics logo An excellent example of what can be done with 3 star data.

Screenshot

★ ★ ★ ★ Use open standards from W3C to identify things, so that people can point at your stuff

http://data.ordnancesurvey.co.uk/id/postcodeunit/IP45TW

screenshot of Ordnance Survey page about IP4 5TW

★ ★ ★ ★ Use open standards from W3C to identify things, so that people can point at your stuff

Why is

http://business.data.gov.uk/id/company/04285910

better than

 SHA	PCT	PRACTICE	BNF CODE	BNF NAME                                    	ITEMS  	NIC        	ACT COST   	QUANTITY	PERIOD
Q30	5D7	A86003	0101010G0AAABAB	Co-Magaldrox_Susp 195mg/220mg/5ml S/F   	18	52.24	48.71	10000	201206

★ ★ ★ ★ Use open standards from W3C to identify things, so that people can point at your stuff

Why is

http://business.data.gov.uk/id/company/04285910

better than

 SHA	PCT	PRACTICE	BNF CODE	BNF NAME                                    	ITEMS  	NIC        	ACT COST   	QUANTITY	PERIOD
Q30	5D7	A86003	0101010G0AAABAB	Co-Magaldrox_Susp 195mg/220mg/5ml S/F   	18	52.24	48.71	10000	201206

(Because you can look it up; because you can refer to a URI in any context, unlike 'Q30' which only means something in a specific context).

★ ★ ★ ★ ★ Linked Data Users: UK Environment Agency

screenshot of Bathing Water Quality Explorer for Felixstowe South

★ ★ ★ ★ ★ Linked Data Users: UK Environment Agency

screenshot of Bathing Water Quality Explorer predictions

NOT Linked Data: FR Health Ministry

screenshot of French Bathing Water Quality Explorer for Plage des Blancs Sablons near Le Conquet

NOT Linked Data: EL Ministry of Environment & Climate Change

screenshot of Greek Bathing Water Quality Report, May 2013 (PDF)

NASA's Upper Atmosphere Research Satellite Attribution Some rights reserved by NASA Goddard Space Flight Center

Links to follow for more

http://www.w3.org/2015/Talks/0228_phila_odd15/

Phil Archer <phila@w3.org>

@philarcher1