10.1184/R1/6609386.v1 Guido Proietti Guido Proietti Christos Faloutsos Christos Faloutsos Selectivity estimation of Window queries for line segment datasets Carnegie Mellon University 1972 computer sciences 1972-01-01 00:00:00 Journal contribution https://kilthub.cmu.edu/articles/journal_contribution/Selectivity_estimation_of_Window_queries_for_line_segment_datasets/6609386 Despite of the fact that large line segment datasets are appearing more and more frequently in numerous applications involving spatial data, such as GIS, multimedia, and even traditional databases, most of the analysis for estimating the selectivity of window queries posed on spatial data--the most important parameter for query optimization--has focused on point or region data only.