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Extracting and comparing places using Geo-Social Media

機(jī)譯:使用地理社交媒體提取和比較地點(diǎn)

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摘要

Increasing availability of Geo-Social Media (e.g. Facebook, Foursquare and Flickr) has led to the accumulation of large volumes of social media data. These data, especially geotagged ones, contain information about perception of and experiences in various environments. Harnessing these data can be used to provide a better understanding of the semantics of places. We are interested in the similarities or differences between different Geo-Social Media in the description of places. This extended abstract presents the results of a first step towards a more in-depth study of semantic similarity of places. Particularly, we took places extracted through spatio-temporal clustering from one data source (Twitter) and examined whether their structure is reflected semantically in another data set (Flickr). Based on that, we analyse how the semantic similarity between places varies over space and scale, and how Tobler's first law of geography holds with regards to scale and places.
機(jī)譯:地緣社交媒體(例如Facebook,F(xiàn)oursquare和Flickr)的可用性不斷提高,導(dǎo)致了大量社交媒體數(shù)據(jù)的積累。這些數(shù)據(jù)(尤其是經(jīng)過地理標(biāo)記的數(shù)據(jù))包含有關(guān)在各種環(huán)境中的感知和體驗(yàn)的信息。利用這些數(shù)據(jù)可用于更好地理解地點(diǎn)的語義。我們對地點(diǎn)描述中不同地理社交媒體之間的異同感興趣。這個(gè)擴(kuò)展的摘要提供了朝著更深入地研究場所語義相似性邁出的第一步的結(jié)果。特別是,我們采取了通過時(shí)空聚類從一個(gè)數(shù)據(jù)源(Twitter)提取的地點(diǎn),并檢查了它們的結(jié)構(gòu)是否在語義上反映在另一數(shù)據(jù)集(Flickr)中。在此基礎(chǔ)上,我們分析了地點(diǎn)之間的語義相似度如何隨空間和規(guī)模而變化,以及托布勒的地理第一定律在規(guī)模和地點(diǎn)方面如何成立。

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