Instead of storing one single link let's store two links, and a set of tags in the middle. Two links with their two titles and maybe their two descriptions. And one set of tags between them.
If you're a user of the fantastic del.icio.us linklogging system and, like me, you often annotate with a memorable quote from the page you're bookmarking to facilitate later retrieval, you may find this useful.
B. Krause, A. Hotho, and G. Stumme. Advances in Information Retrieval, 30th European Conference on IR Research, ECIR 2008, 4956, page 101-113. Springer, (2008)
A. Hotho, R. Jäschke, C. Schmitz, and G. Stumme. Proceedings of the 3rd European Semantic Web Conference, volume 4011 of LNCS, page 411-426. Budva, Montenegro, Springer, (June 2006)