-<term><name>Interactive computer systems</name><frequency>5</frequency></term>
-<term><name>Virtual computer systems</name><frequency>4</frequency></term>
-<term><name>Computer simulation</name><frequency>3</frequency></term>
-<term><name>Electronic data processing</name><frequency>3</frequency></term>
-<term><name>World Wide Web</name><frequency>3</frequency></term>
-<term><name>Embedded computer systems</name><frequency>2</frequency></term>
-<term><name>Cataloging of computer network resources</name><frequency>2</frequency></term>
-<term><name>Internet searching</name><frequency>2</frequency></term>
-<term><name>Online data processing</name><frequency>2</frequency></term>
-<term><name>Guide (Electronic computer system)</name><frequency>2</frequency></term>
-<term><name>PLATO (Electronic computer system)</name><frequency>2</frequency></term>
-<term><name>Programming languages (Electronic computers)</name><frequency>1</frequency></term>