db/conf/er/CastanoA99.html Silvana Castano Valeria De Antonellis Building Views over Semistructured Data Sources. 146-160 ER/1999/P146.pdf 1999 conf/er/99 ER db/conf/er/er99.html#CastanoA99 conf/icdt/Abiteboul97 journals/debu/AbiteboulCMMSZ99 journals/sigmod/BergamaschiCV99 conf/pods/Buneman97 journals/dpd/CastanoA99 conf/ideas/CastanoA99 ... www/org/w3/TR/NOTE-xml-ql journals/debu/HaasMNRSW99 conf/vldb/LevyRO96 conf/coopis/MenaKSI96 conf/pdis/MendelzonMM96 journals/cacm/Miller95 conf/sigmod/NestorovAM98 conf/caise/PapazoglouM98 books/aw/Salton89 journals/tods/ScioreSR94