%PDF-1.4 % 1 0 obj << /Type /Pages /Count 2 /Kids [ 2 0 R 120 0 R ] >> endobj 2 0 obj << /Type /Page /Parent 1 0 R /Resources << /ProcSet [ /PDF /Text /ImageB /ImageC /ImageI ] /Font << /QuickPDFF5cbc3328 76 0 R /QuickPDFF986c3bbb 119 0 R >> >> /Contents [ 5 0 R ] /MediaBox [ 0 0 595.2756 841.8898 ] /CropBox [ 0 0 595.2756 841.8898 ] >> endobj 3 0 obj << /Type /Catalog /Pages 1 0 R /Metadata 122 0 R >> endobj 4 0 obj << /Producer (Debenu Quick PDF Library 11.15 \(www.debenu.com\)) /Creator (Debenu Quick PDF Library 11.15 \(www.debenu.com\)) /CreationDate (D:20160523123708+02'00') /ModDate (D:20160523123710+02'00') >> endobj 5 0 obj << /Length 3270 /LC /iSQP >> stream 0 Tr /QuickPDFF986c3bbb 14 Tf 0 0 0 rg 100 Tz 0 Tw 0 Tc 0 Ts BT 1 0 0 1 87.2388 770.8329 Tm (Expanded Data Quality Model for Increased Reliability in Mashed-Up)Tj 1 0 0 1 255.2458 752.1709 Tm (Environments)Tj ET /QuickPDFF986c3bbb 11 Tf 0 0 0 rg BT 1 0 0 1 232.8643 717.2179 Tm (Luethy Juerg \(Switzerland\))Tj ET /QuickPDFF986c3bbb 12 Tf 0 0 0 rg BT 1 0 0 1 56.6929 675.495 Tm 15.996 TL (Key words: )' ET /QuickPDFF5cbc3328 12 Tf 0 0 0 rg BT 1 0 0 1 141.7323 675.495 Tm 15.768 TL (Digital cadastre; e-Governance; GSDI; Data Quality; System Quality;)' (traceability; integrity; Web-services)' ET /QuickPDFF986c3bbb 12 Tf 0 0 0 rg BT 1 0 0 1 56.6929 632.9753 Tm 15.996 TL (SUMMARY)' ET /QuickPDFF5cbc3328 10 Tf 0 0 0 rg BT 1 0 0 1 56.6929 150.7097 Tm 13.14 TL (__________________________________________________________________________________________)' ()' (Expanded Data Quality Model for Increased Reliability in Mashed-Up Environments \(8241\))' (Luethy Juerg \(Switzerland\))' ()' (FIG Working Week 2016)' (Recovery from Disaster)' (Christchurch, New Zealand, May 26, 2016)' ET /QuickPDFF5cbc3328 12 Tf 0 0 0 rg BT 1 0 0 1 56.6929 604.6289 Tm 15.768 TL (Along with the growing availability of Spatial Data Infrastructures the publication of spatial data)' (through the Open Government Data initiatives has been significantly increased. Thanks to)' (standardised services \(Web Map Services, Web Feature Services\) and a range of supporting)' (software tools and libraries the consumption of spatial data is uncomplicated. But in many cases the)' (consumer of data is neither aware of the data source and its quality nor of the service provider and)' (its service reliability. This tendency is amplified with growing data distribution through mash-ups)' (and integration services. Data sets may be used therefore for purposes for which they are not made)' (for and wrong decisions may be taken. On the other side, data providers becoming also more and)' (more decoupled from the consumer side not knowing how their data is being used. The currently)' (understanding of spatial data quality is mostly limited to the evaluation of data quality elements in a)' (static data set as reflected in ISO 19157:2013. )' ()' (To ensure correctness of data and correct use of the data at the end user the quality model for the)' (SDI of the Canton of Zurich \(Switzerland\) must be completely revised. The quality model covers)' (the roles of data producers, data providers and data users as well as the transport processes in)' (between them \(complete data chain\). For the producer side it is based on existing concepts \(ISO)' (19157\) but is expanded for better addressing the fourth dimension. To ensure the data integrity from)' (data origination to the end user the aspect of traceability must be moved from a descriptive)' (metadata item to a quality element. Data originators are the starting point for an adequate collection)' (of lineage information.)' ()' (The real-time use of data sets requires the introduction of the element service quality. The service)' (quality comprises service stability \(availability, accessibility\), performance \(response time,)' (maximum throughput\), algorithmic accuracy \(correct implementation of database queries and )' ET endstream endobj 6 0 obj << /Length 316 /Filter /FlateDecode >> stream xMRKnCAۿSpk`y^Uu[jIɒT%C/:b}Rx\%=
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