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Let's say that a business corporation that offers consultancy for renting and selling houses would like to implement a web-application that can help their customers to find houses based on geo-location requests. Let's say that me, as a customer I would like to rent an apartment. As a student and part-time worker, I would like to find a place that satisfy my necesities, based on some eliminatory points. And let's say that, other advantages than a minimum renting price, I would like to find a house that is in : 1) proximity to transportation (bus or subway) > finding a house as much as possible to a bus station or subway station, to have an easy acces to my university and job place; 2) proximity to markets and shops > finding a house near to markets and shops; 3) proximity to parks, green spaces and party places (clubs, bars, etc) > every student likes to party 4) proximity to other factors that can influence the renting price of a house (railaway stations, neighbourhood criminallity risks, etc, etc ) So, as a developper of a such type of geo-location web application, I would like to know what datasets to use (free acces), what softwares to use (open source) and what knowledge is need for making this application (programming, web design) ? So, as a beginner in this field, can someone tell me what are the skills and datasets nedeed to make a web-application for a renting/selling houses business ? How to start developping this application ? How long can it take to do it ? Any references, links, examples, advices and tutorials are welcomed ! Please help me!

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