+<hit>
+ <md-title>Technology programs that work</md-title>
+ <md-date>1984</md-date>
+ <md-subject>United States</md-subject>
+ <md-subject>Educational technology</md-subject>
+ <md-subject>Federal aid to education</md-subject>
+ <md-description>"This directory was developed by the Technology for the National Diffusion Network Project, Teachers College, Columbia University pursuant to contract number OE-300-83-0253, U.S. Department of Education"--T.p. verso</md-description>
+ <location id="z3950.indexdata.com/marc"
+ name="marc" checksum="2788512872">
+ <md-title>Technology programs that work</md-title>
+ <md-date>1984</md-date>
+ <md-subject>United States</md-subject>
+ <md-subject>Educational technology</md-subject>
+ <md-subject>Federal aid to education</md-subject>
+ <md-description tag="500">"Spons agency Office of Educational Research and Improvement"--Doc. resume</md-description>
+ <md-description tag="500">"This directory was developed by the Technology for the National Diffusion Network Project, Teachers College, Columbia University pursuant to contract number OE-300-83-0253, U.S. Department of Education"--T.p. verso</md-description>
+ <md-description tag="500">Distributed to depository libraries in microfiche</md-description>
+ <md-description tag="500">"December 1984."</md-description>
+ <md-description tag="500">Includes indexes</md-description>
+ <md-test-usersetting>XXXXXXXXXX</md-test-usersetting>
+ <md-test-usersetting-2>test-usersetting-2 data:
+ YYYYYYYYY</md-test-usersetting-2>
+ </location>
+ <count>1</count>
+ <relevance>4054</relevance>
+ <relevance_info>
+field=description content=&quot;This directory was developed by the Technology f ...;
+teachers: w[1] += w(3) / (1+log2(1+lead_decay(0.000000) * length(13)));
+teachers: tf[1] += w[1](3) / length(30) (0.100000);
+relevance = 0;
+idf[1] = log(((1 + total(2))/termoccur(2));
+teachers: relevance += 100000 * tf[1](0.100000) * idf[1](0.405465) (4054);
+idf[2] = log(((1 + total(2))/termoccur(0));
+teachers: relevance += 100000 * tf[2](0.000000) * idf[2](0.000000) (0);
+score = relevance(4054);
+ </relevance_info>
+ <recid>content: title technology programs that work author medium book</recid>
+</hit>