In the context of Volunteered Geographic Information (VGI), volunteers are not involved in the decisional processes. Moreover, VGI systems do not offer advanced historical analysis tools. Therefore, in this work, we propose to use Data Warehouse (DW) and OLAP systems to analyze VGI data, and we define a new DW design methodology that allows involving volunteers in the definition of analysis needs over VGI data. We validate it using a real biodiversity case study.
To cite this version:Lucile Sautot, Bruno Faivre, Ludovic Journaux, Paul Molin. The Hierarchical Agglomerative Clustering with Gower index: a methodology for automatic design of OLAP cube in ecological data processing context. Ecological Informatics, Elsevier, 2015, 2 (26), pp.❝❡s ✇✐t❤ ❛ •❛r❣❡ ❞❛t❛s❡t✳ ❚❤❡r❡❜② t❤❡ •♦✇❡r ✐♥❞❡① ✐♥ ❛ ❤✐❡r❛r❝❤✐❝❛• ❛❣❣•♦♠❡r❛t✐✈❡ ❝•✉st❡r✐♥❣ ♣❡r♠✐ts t❤❡ ♠❛♥❛❣❡♠❡♥t ♦❢ ❤❡t❡r♦❣❡♥❡♦✉s ❞❛t❛s❡t ✇✐t❤ ♠✐ss✐♥❣ ✈❛•✉❡s ✐♥ ❛ ❝♦♥t❡①t ♦❢ ❛✉t♦♠❛t✐❝ ❜✉✐•❞✐♥❣ ♦❢ ❖▲❆P ❝✉❜❡✳ ❲✐t❤ t❤✐s ♠❡t❤♦❞♦•♦❣②✱ ✇❡ ❝❛♥ ❜✉✐•❞ ♥❡✇ ❞✐♠❡♥s✐♦♥s ❜❛s❡❞ ♦♥ ❤✐❡r❛r❝❤✐❡s ✐♥ t❤❡ ❞❛t❛✱ ✇❤✐❝❤ ❛r❡ ♥♦t ❡✈✐❞❡♥t✳ ❚❤❡ ❞❛t❛ ♠✐♥✐♥❣ ♠❡t❤♦❞s ❝❛♥ ❝♦♠♣•❡t❡ t❤❡ ❡①♣❡rt ❦♥♦✇•❡❞❣❡ ❞✉r✐♥❣ t❤❡ ❞❡s✐❣♥ ♦❢ ❛♥ ❖▲❆P ❝✉❜❡✱ ❜❡❝❛✉s❡ t❤❡s❡ ♠❡t❤♦❞s ❝❛♥ ❡①♣•❛✐♥ t❤❡ ✐♥❤❡r❡♥t str✉❝t✉r❡ ♦❢ t❤❡ ❞❛t❛✳ ❑❡②✇♦r❞s✿ ❖▲❆P❀ ❍✐❡r❛r❝❤✐❝❛• ❆❣❣•♦♠❡r❛t✐✈❡ ❈•✉st❡r✐♥❣❀ ❇✐r❞ P♦♣✉•❛t✐♦♥❀ ❆✉t♦♠❛t✐❝ ❉❡s✐❣♥ ■♥tr♦❞✉❝t✐♦♥✿ ✉s❡ ❞❛t❛ ♠✐♥✐♥❣ ❢♦r ❖▲❆P ❝✉❜❡ ❞❡s✐❣♥ ❙✐♥❝❡ ✶✾✾✸✱ ❖▲❆P ✭❖♥ ▲✐♥❡ ❆♥❛•②t✐❝❛• Pr♦❝❡ss✐♥❣✮ s②st❡♠s ❤❛✈❡ ❜❡❡♥ ♣r♦♣♦s❡❞ t♦ ✐♠♣r♦✈❡ ❞❡❝✐s✐♦♥ ♠❛❦✐♥❣ ♣r♦❝❡ss ❞✉❡ t♦ ❛♥❛•②s✐s ♦❢ •❛r❣❡ ❞❛t❛s❡ts ✭❈♦❞❞ ❡t ❛•✳✱ ✶✾✾✸✮✳ ❚❤✐s ❦✐♥❞ ♦❢ s♦❢t✇❛r❡ ✐s ❞❡s✐❣♥❡❞ t♦ ❡①♣•♦r❡ ❡❛s✐•② ❛♥❞ q✉✐❝❦•② ♠✉•t✐❞✐♠❡♥s✐♦♥❛• ❞❛t❛ ✭|✐✈❡st ❡t ❛•✳✱ ✷✵✵✺✮✳ ❚❤❡ ✇♦r❞ ❖▲❆P ❝❛♥ ❜❡ ❛ss♦❝✐❛t❡❞ ✇✐t❤ ❛ ♣r♦❝❡ss✱ ❛ ❦✐♥❞ ♦❢ s②st❡♠ ♦r ❛ ❦✐♥❞ ♦❢ ❞❛t❛ ✭❏❡r❜✐ ❡t ❛•✳✱ ✷✵✵✾✮✳ ❆ ❜❛s✐❝ |❡•❛t✐♦♥❛• ❖▲❆P ✭|❖▲❆P✮ s②st❡♠ ❛r❝❤✐t❡❝t✉r❡ ❝♦♥s✐sts ♦❢ ✭✐✮ ❛ r❡•❛t✐♦♥❛• ❉❛t❛ ❇❛s❡ ▼❛♥❛❣❡♠❡♥t ❙②st❡♠ ✭❉❇▼❙✮✱ t❤❛t st♦r❡s ❞❛t❛ ✐♥ ❛❝❝♦r❞❛♥❝❡ ✇✐t❤ ❞❛t❛ ✇❛r❡❤♦✉s✐♥❣ ♣❛r❛❞✐❣♠❀ ✭✐✐✮ ❛♥ ❖▲❆P s❡r✈❡r t❤❛t ✐♠♣•❡♠❡♥ts t❤❡ ♠✉•t✐❞✐♠❡♥s✐♦♥❛• ♠♦❞❡• ❛♥❞ ❖▲❆P ♦♣❡r❛t♦rs ♦♥ t♦♣ ♦❢ t❤❡ ❉❇▼❙❀ ✭✐✐✐✮ ❛♥ ❖▲❆P ❝•✐❡♥t✱ t❤❛t ❝♦♠❜✐♥❡s ❛♥❞ s②♥❝❤r♦♥✐③❡s t❛❜✉•❛r ❛♥❞ ❣r❛♣❤✐❝❛• ❞✐s♣•❛②s ❛♥❞ ❛••♦✇s q✉❡r② ❜✉✐•❞✐♥❣❀ ✭✐✈✮ ❛♥ ❊❚▲ t♦♦• t❤❛t ❡①tr❛❝ts ❞❛t❛ ❢r♦♠ ❤❡t❡r♦❣❡♥❡♦✉s s♦✉r❝❡s✱ tr❛♥s❢♦r♠s t❤❡♠ ❛♥❞ •♦❛❞s t❤❡♠ ✐♥t♦ ❛ ❞❛t❛ ✇❛r❡❤♦✉s❡✳ ■♥ t❤✐s ♣❛♣❡r✱ ✇❡ ❛r❡ ❢♦❝✉s❡❞ ♦♥ ❞❡s✐❣♥ ♦❢ ❖▲❆P s❝❤❡♠❛✱ ✇❤✐❝❤ ✐s ❞❡✜♥❡ ❜② ❯s♠❛♥ ❛s ❛ ❝♦••❡❝t✐♦♥ ♦❢ ❞❛t❛❜❛s❡ ♦❜•❡❝ts✱ ✐♥❝•✉❞✐♥❣ t❛❜•❡s✱ ✈✐❡✇s✱ ✐♥❞❡①❡s ❛♥❞ s②♥♦♥②♠s ✭❯s♠❛♥ ❡t ❛•✳✱ ✷✵✶✵✮✳ ❙❡✈❡r❛• r❡s❡❛r❝❤ ✇♦r❦s s✉❣❣❡st ♠♦❞❡•✐♥❣ ❢♦r ❖▲❆P s❝❤❡♠❛✱ t❤❛t ❡✐t❤❡r r❡•② ♦♥ ❡①✐st✐♥❣ ♠♦❞❡•s ✭❊♥t✐t②✴|❡•❛t✐♦♥s❤✐♣✱ ❖❜•❡❝t✲❖r✐❡♥t❡❞✱ ✳✳✳✮ ♦r s✉❣❣❡st ♥❡✇ ♠♦❞❡•s ✭▲❡❤♥❡r✱ ✶✾✾✽ ❀ ◆❣✉②❡♥ ❛♥❞ ❚•♦❛✱ ✷✵✵✵ ❀ P❡❞❡rs❡♥ ❛♥❞ ❏❡♥s❡♥✱ ✶✾✾✽ ❀ ❚s♦✐s ❡t ❛•✳✱ ✷✵✵✶✮✳ |❡❣❛r❞•❡ss ♦❢ t❤❡ ♠❡t❤♦❞s ❝❤♦s❡♥ ❜② t❤❡ ❛✉t❤♦rs t♦ ❞❡✜♥❡ t❤❡ r✉•❡s ♦❢ t❤❡✐r ♠♦❞❡•s✱ t❤❡s❡ ♠♦❞❡•s ❛r❡ ❜❛s❡❞ ♦♥ t❤r❡❡ ❝♦♥❝❡♣t ♦❢ ♠✉•t✐❞✐♠❡♥s✐♦♥❛• ♠♦❞❡•✐♥❣ ✿ ♠❡❛s✉r❡s✱ ❞✐♠❡♥s✐♦♥s ❛♥❞ ❤✐❡r❛r❝❤✐❡s ✭❏❡r❜✐ ❡t ❛•✳✱ ✷✵✵✾✮✳ * ❈♦rr❡s♣♦♥❞✐♥❣ ❛✉t❤♦r✳ ❊♠❛✐• ❛❞❞r❡ss ✿ •✳s❛✉t♦t❅❛❣r♦s✉♣❞✐•♦♥✳❢r Pr❡♣r✐♥t s✉❜♠✐tt❡❞ t♦ ❊•s❡✈✐❡r ✷✷ •✉✐♥ ✷✵✶✹
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