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DWH-Ahsan Abdullah 1 Data Warehousing Lecture-37 Case Study: Agri-Data Warehouse Virtual University of Pakistan Ahsan Abdullah Assoc. Prof. & Head Center for Agro-Informatics Research www.nu.edu.pk/cairindex.asp FAST National University of Computers & Emerging Sciences, Islamabad
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DWH-Ahsan Abdullah 2 Background
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3 Area under study
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DWH-Ahsan Abdullah 4 Area under study: Map KeyMarkaz 1Bosan 2Qadirpurran 3Multan 4 Makhdum Rashid 5 Mumtazabad 6 Shujabad 7 Hafizwala 8 Jalalpur Pirwala 9 Qasba Marral Graphics
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DWH-Ahsan Abdullah 5 Major Players
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DWH-Ahsan Abdullah 6 Pests & Predators Pests Predators Source: United States Department of Agriculture (USDA) Graphics
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DWH-Ahsan Abdullah 7 Economic Threshold Level (ETL_A)
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DWH-Ahsan Abdullah 8 ETL_A: Graph Time ETL_A Pest Population Economic Injury Graphics
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DWH-Ahsan Abdullah 9 The need
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DWH-Ahsan Abdullah 10 The need: IT in Agriculture
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DWH-Ahsan Abdullah 11Agro-Informatics “I.T. sector is at the heart of the economic revival of Pakistan” President of Pakistan, Launching of VU, Mar. 23, 2003. Agriculture is the backbone of our economy, about 70% of the population is dependent on it. IT is an enabler, and has the potential to benefit everyone when applied in Agriculture. IT + Agriculture: A win-win scenario. ALL Goes to graphics
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DWH-Ahsan Abdullah 12 Agro-Informatics: Interesting URL To know more about Agro-Informatics, visit www.nu.edu.pk/cairindex.asp ALL Goes to graphics
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DWH-Ahsan Abdullah 13 How to go about?
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DWH-Ahsan Abdullah 14 The 12-step Approach of Shaku Atre ALL Goes to graphics
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DWH-Ahsan Abdullah 15 Step-1: Determine User’s needs
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DWH-Ahsan Abdullah 16 Step-1: Determine Users needs
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DWH-Ahsan Abdullah 17 Steps-2&3: Determine DBMS Sever & Hardware Platform
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DWH-Ahsan Abdullah 18 Step-4: Information & Data Modeling Dimensional Modeling Graphics
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DWH-Ahsan Abdullah 19 Simplified ERD Step-4: Information & Data Modeling Other field inputs such as irrigation, fertilizer etc. not included as data not available Graphics
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DWH-Ahsan Abdullah 20 Logical & Physical Design Step-4: Information & Data Modeling (optional) KEY WFN: White Fly Nymph WFA: White Fly Adult W: White B: Brown S: Small Larvae L: Large Larvae Graphics
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DWH-Ahsan Abdullah 21 Step-5: Construct Metadata Repository
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DWH-Ahsan Abdullah 22 Step-5: Surprise case Ball Worm Complex Sucking pests SBW: Spotted Ball Worm ABW: Army Ball Worm PBW: Pink Ball Worm If pest population is low, predator population will also be low, because there will be less “food” for predators to live on i.e. pests. Graphics
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