\input zb-basic \input zb-ioport \iteman{io-port 70237397} \itemau{Yu, Jinsongdi; Wang, Xia; Baumann, Peter} \itemti{A specification-oriented geospatial coverage ontology study} \itemso{ONTOSE, 63-74 (2010).} \itemcc{} \itemut{} \itemli{doi:10.1007/978-3-642-16496-5\_5} \end