@conference {1984596,
	title = {Semantics or Standards for Curriculum Search?},
	booktitle = {Proceedings of the 7th ACM/IEEE Joint Conference on Digital Libraries, 181-182},
	year = {2007},
	month = {2007},
	address = {New York, NY},
	abstract = {Aligning digital library resources with national and state educational standards to help K-12 teachers search for relevant curriculum is an important issue in the digital library community. Aligning standards from different states promises to help teachers in one state find appropriate materials created and cataloged elsewhere. Although such alignments provide a powerful means for crosswalking standards and curriculum across states, alignment matrices are intrinsically sparse. Hence, we hypothesize that such sparseness may cause significant numbers of false negatives when used for searching curriculum. Our preliminary results confirm the false negative hypothesis, demonstrate the usefulness of term-based techniques in addressing the false negative problem, and explore ways to combine term occurrence data with standards correlations.},
	keywords = {Accounting, BIS},
	author = {Marshall,Byron and Reitsma,Reindert and Cyr,Martha N}
}
@article {1974521,
	title = {Spatialization of Web Sites Using a Weighted Frequency Model of Navigation Data},
	journal = {Journal of the Association for Information Science and Technology},
	volume = {55},
	year = {2004},
	month = {2004},
	pages = {13-22},
	abstract = {Reitsma, Thabane, and MacLeod are interested in the display of document sets as visualized geometric spaces. Such spaces can use metrics and dimensions determined arbitrarily prior to analysis of data, or they may use secondary data (logged website transaction counts, perhaps) with techniques like factor analysis or MDS to find a structure. Using high transaction volume between an origin and a destination as an indicator of a small distance and a low volume as an indicator of a large distance, a transaction log can provide input to MDS. One problem is the possible origination of multiple sessions from the same address where one can not determine if consecutive requests are part of the same transaction and thus frequencies may be invalid.  They suggest the use of the probability that a count is a transaction as a weight rather the count alone, with this probability depending upon the time separation between an origin and a destination with less time indicating a higher probability. A transaction log for a website for undergraduate engineering learning was analyzed in this manner and weighted transaction counts were compared to the use of  straight count inputs to MDS using the Euclidean metric and four dimensions. Weighted results were not significantly different.},
	keywords = {BIS},
	author = {Reitsma,Reindert and Thabane,L. and MacLeod,J.}
}
@article {1974556,
	title = {Structure and Support of Water Resources Management and Decision Making},
	journal = {Journal of Hydrology},
	volume = {177},
	year = {1996},
	month = {1996},
	pages = {253-268},
	keywords = {BIS},
	author = {Reitsma,Reindert}
}
