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Big Data Analytics and Knowledge Discovery
Geometric patterns are defined by a spatial distribution of a set of objects. They can be found in many spatial datasets as in seismic, astronomy , and transportation. A particular interesting geometric pattern is exhibited by the Einstein cross, which is an astronomical phenomenon in which a single quasar is observed as four distinct sky objects when captured by earth telescopes. Finding such crosses, as well as other geometric patterns, collectively referred to as constellation queries, is afatcat:zsn7cvgrqzgmjiwfnd6sx544yy