information science

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The science that is concerned with the gathering, manipulation, classification, storage, and retrieval of recorded knowledge.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun applied science A broad and interdisciplinary science that deals with the gathering, classification, storage, manipulation, retrieval and analysis of information as an organized resource.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the sciences concerned with gathering, manipulating, storing, retrieving, and classifying recorded information