@inproceedings{SIGIR-1994-Ingwersen,
	acmid         = "188519",
	author        = "Peter Ingwersen",
	booktitle     = "{Proceedings of the 17th International ACM SIGIR Conference on Research and Development in Information Retrieval (Special Issue of the SIGIR Forum)}",
	cdrom         = "SIGIR1994/P101.pdf",
	isbn          = "3-540-19889-X",
	pages         = "101--110",
	publisher     = "{Springer-Verlag}",
	title         = "{Polyrepresentation of Information Needs and Semantic Entities: Elements of a Cognitive Theory for Information Retrieval Interaction}",
	year          = 1994,
}