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<!ELEMENT traveltimes (from*) >
<!ATTLIST traveltimes campus CDATA #REQUIRED >
<!ATTLIST traveltimes term CDATA #REQUIRED >
<!ATTLIST traveltimes year CDATA #REQUIRED >
<!ATTLIST traveltimes created CDATA #IMPLIED >

<!ELEMENT from ( to+ ) >
<!ATTLIST from id CDATA #IMPLIED >
<!ATTLIST from building CDATA #IMPLIED >
<!ATTLIST from roomNbr CDATA #IMPLIED >
<!ATTLIST from name CDATA #IMPLIED >

<!ELEMENT to (#PCDATA) >
<!ATTLIST to id CDATA #IMPLIED >
<!ATTLIST to building CDATA #IMPLIED >
<!ATTLIST to roomNbr CDATA #IMPLIED >
<!ATTLIST to name CDATA #IMPLIED >