波兰三联市大都会区房地产市场分析.pdf

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1、ANALYSING HOUSING IN TRICITYMETROPOLITAN AREA IN POLAND*Piotr Klopotowski,Eng,Master student*Olgun Aydin,PhD,Assistant Professor*Gdansk University of TechnologyWEB INTELLIGENCE NETWORKCONFERENCE 2025GDANSK,POLANDMotivationReal Estate price growth in 2023 due toseveral factorsWar in UkraineBk 2%-a go

2、vernment fundedconsumer loan program to helppeople under 45 buy their first flatPrices in some districts of the Tricity haverisen uncontrollably-even more than therest of the marketNumber of accepted Bk2%requests in Q4 2023 1Median price of a m in Gdask over timeThe red line indicates start of Bk2%p

3、rogram 2 MotivationAccording to Statistics Polands data,average gross salaries in Tricity is 11%higherthan Poland average.Tricity is attractive for investorsThe Tricity is among the four cities in Poland,alongside Warsaw,Krakw,and Wrocaw,with a total office stock exceeding onemillion square meter.Hi

4、gh quality of life in TricityInternal Immigration1 683InternationalImmigration1 424Total3 107Motivation2023INTERNATIONAL(GDANSK)52,89%Motivation2023Net Immigration/New Supply(GDANSK)Web scrapingRetrieving data from websites in automatic wayKey tools:BeautifulSoup,JSoup,SeleniumUseful,when websites d

5、oes not provide APIsRetrieving data from websites at relatively low costWebsites differ in layout and data presentation model,which requires to create distinct scrapers for various sites Often they have to be adjusted when website layoutchangesApplicationDeveloped as a part of Engineering Thesis on

6、DataEngineering degree and continued during Master ThesisData retrieved from local and national real estate listingwebsites being scraped every dayStatistics presented as a boxplot in time seriesOutliers eliminationShowing graphs for each district of Tricity using variousparamete