Social Networks for Volunteered Geographic Information – a Case Study of Openstreetmap

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Social Networks for Volunteered Geographic Information – a Case Study of Openstreetmap TypeUnitOrDepartmentHere TypeYourNameHere Master’s thesis Geography Geoinformatics SOCIAL NETWORKS FOR VOLUNTEERED GEOGRAPHIC INFORMATION – A CASE STUDY OF OPENSTREETMAP Suvi Välimäki 2011 Supervisors: Tapani Sarjakoski Tuuli Toivonen UNIVERSITY OF HELSINKI DEPARTMENT OF GEOSCIENCES AND GEOGRAPHY DIVISION OF GEOGRAPHY P.O. Box 64 (Gustaf Hällströmin katu 2) FI-00014 University of Helsinki HELSINGIN YLIOPISTO – HELSINGFORS UNIVERSITET – UNIVERSITY OF HELSINKI Tiedekunta/Osasto – Fakultet/Sektion – Faculty/Section Laitos – Institution – Department *EGYPX] SJ 7GMIRGI (ITEVXQIRX SJ +ISWGMIRGIW ERH +ISKVETL] Tekijä – Författare – Author :ÅPMQÅOM 7YZM .SLERRE Työn nimi – Arbetets titel – Title 7SGMEP 2IX[SVOW JSV :SPYRXIIVIH +ISKVETLMG -RJSVQEXMSR h % 'EWI 7XYH] SJ 3TIR7XVIIX1ET Oppiaine – Läroämne – Subject +ISMRJSVQEXMGW Työn laji – Arbetets art – Level Aika – Datum – Month and year Sivumäärä – Sidoantal – Number of pages 1EWXIVsW XLIWMW 1E] ETTIRHM\ Tiivistelmä – Referat – Abstract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vainsanat – Nyckelord – Keywords GVS[HWSYVGMRK ZSPYRXIIVIH KISKVETLMG MRJSVQEXMSR 3TIR7XVIIX1ET STIR HEXE ;IF Säilytyspaikka – Förvaringställe – Where deposited 9RMZIVWMX] SJ ,IPWMROM /YQTYPE 7GMIRGI 0MFVEV] Muita tietoja – Övriga uppgifter – Additional information HELSINGIN YLIOPISTO – HELSINGFORS UNIVERSITET – UNIVERSITY OF HELSINKI Tiedekunta/Osasto – Fakultet/Sektion – Faculty/Section Laitos – Institution – Department 1EXIQEEXXMWPYSRRSRXMIXIIPPMRIR XMIHIOYRXE +ISXMIXIMHIR NE QEERXMIXIIR PEMXSW Tekijä – Författare – Author :ÅPMQÅOM 7YZM .SLERRE Työn nimi – Arbetets titel – Title :ETEEILXSMWYYXIIR TIVYWXYZER TEMOOEXMIHSR WSWMEEPMWIX ZIVOSWXSX h 8ETEYWXYXOMQYW 3TIR7XVIIX1ET TVSNIOXMWXE Oppiaine – Läroämne – Subject +ISMRJSVQEXMMOOE Työn laji – Arbetets art – Level Aika – Datum – Month and year Sivumäärä – Sidoantal – Number of pages 4VS +VEHY hXYXOMIPQE 8SYOSOYY PMMXI Tiivistelmä – Referat – Abstract /EVXSMXYOWIR QEEMPQE SR QYYXXYRYX %MOEMWIQQMR EMRSEWXEER OSYPYXIXYX EWMERXYRXMNEX SPMZEX ZEWXYYWWE OEVXXEXYSXERRSWXE QYXXE R]O]MWMR XEZEPPMWIX MLQMWIX MPQER QMROÅÅRPEMWXE OSYPYXYWXE XEM OSOIQYWXE OEVXXEXYSXERRSWXE SWEPPMWXYZEX OEVXXSNIR XYSXXEQMWIIR :ETEEILXSMWXIR OEVXSMXXENMIR WIOÅ -RXIVRIXMWXÅ P×]X]ZMIR OEVXXEWSZIPPYWXIR NE OEVXSMXYWTVSNIOXMIR QÅÅVÅ SR OEWZERYX QIVOMXXÅZÅWXM 8IORSPSKMER OILMX]OWIPPÅ SR SPPYX QIVOMXXÅZÅ VSSPM ZETEEILXSMWYYXIIR TIVYWXYZER TEMOOEXMIHSR W]RX]QMWIWWÅ NE ]PIMWX]QMWIWWÅ )WMQIVOMOWM WEXIPPMMXXMTEMOERRYWNÅVNIWXIPQÅX ;IF PEENEOEMWXE]LXI]HIX WIOÅ ÅP]TYLIPMQIX SZEX SPPIIX EZEMREWIQEWWE ]LXIMW×PPMWIR TEMOOEXMIHSR OILMX]OWIWWÅ /SVOIEPEEXYMWIR QEERXMIXIIPPMWIR XMIHSR EZEEQMWIPPE SR WYYVM VSSPM XÅWWÅ XYXOMQYOWIWWE OSWOE ZEPXMSR ZMVEPPMWIR XMIHSR EZEEQMRIR ]PIMW×PPI SR ENEROSLXEMRIR EMLI QSRMWWE QEMWWE 8EVOSMXYOWIRERM SR XYXOME ZETEEILXSMWXIR XYSXXEQER TEMOOEXMIHSR PEEXYE ZIVXEEQEPPE WMXÅ ZMVEPPMWXIR XELSNIR XYSXXEQEER TEMOOEXMIXSEMRIMWXSSR WIYVEXE QMXÅ XETELXYY OYR TEMOOEXMIXSE EZEXEER OÅ]XXÅNMPPI WIOÅ TIVILX]Å RÅMHIR ZETEEILXSMWXIR OEVXSMXXENMIR OÅ]XXÅNÅTVSJMMPMMR 8ÅQÅR XYXOMQYOWIR OIWOIMWIRÅ SWERE SR -RXIVRIXMWWÅ XSMQMZE 3TIR7XVIIX1ET TVSNIOXM 371 NSROE XEZSMXXIIRE SR PYSHE ZETEELXSMWXIR OEVXSMXXENMIR EZYPPE OSOS QEEMPQER OEXXEZE OEVXXE /YOE XELERWE ZSM V]LX]Å 3TIR7XVIIX1ET OEVXSMXXENEOWM NE RÅMHIR OEVXSMXXENMIR EZYPPE PYSXY EMRIMWXS SR OIRIR XELERWE OÅ]XIXXÅZMWWÅ MPQER VENSMXXEZME XIOMNÅRSMOIYOWME XEM PMWIRWWMQEOWYNE 8YXOMQYOWIWWE XEVOEWXIPIR 3TIR7XVIIX1ETME OELHIWXE IVM RÅO×OYPQEWXE 8YXOMQYOWIR IRWMQQÅMWIWWÅ SWEWWE XEZSMXXIIRE SPM XYXOME ZETEEILXSMWXIR XYSXXEQER 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