Making Use of Hypertext Links when Retrieving Information.

http://doi.acm.org/10.1145/168466.168502 Hans-Peter Frei D. Stieger Making Use of Hypertext Links when Retrieving Information. 102-111 ECHT1992/P102.pdf 1992 conf/echt/92 ECHT db/conf/echt/echt92.html#FreiS92