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Managing Personal Documents with a Digital LibraryImene JaballahSally Jo CunninghamIan H. WittenConference paper
This paper presents a desktop system for managing personal documents. The documents can be of many types—text, spreadsheets, images, multimedia—and are organized in a personal “digital library”. The interface supports browsing over a wide variety of document metadata, as well as full-text searching. This extensive browsing facility addresses a significant flaw in digital library and file management software, both of which typically provide less support for browsing than for searching, and support relatively inflexible browsing methods. Three separate usability studies of a prototype—an expert evaluation, a learnability evaluation, and a diary study—were conducted to suggest design refinements, which were then incorporated into the final system.Digital Library Computer User Usability Problem Expert Evaluation Diary Study This is a preview of subscription content,
to check accessUnable to display preview.&1.Boardman, R.: Multiple hierarchies in user workspaces. In: Proceedings of CHI Conference on Human Factors in Computing Systems, Seattle, WA. ACM Press, New York (2001)2.Dix, A., Finaly, J., Abowd, G., Beale, R.: Human-Computer Interaction. 2nd edn. Prentice-Hall, Glasgow (1997)3.Edgar, K.D., Nichols, D.M., Paynter, G.W., Thomson, K., Witten, I.H.: A user evaluation of hierarchical phrase browsing. In: Koch, T., S?lvberg, I.T. (eds.) ECDL 2003. LNCS, vol. 2769, pp. 313–324. Springer, Heidelberg (2003)4.Freeman, E., Gelernter, D.: Lifestreams: A storage model for personal data. In: ACM SIGMOD Bulletin, pp. 80–86 (March 1996)5.Janssen, W.C., Popat, K.: UpLib: a universal personal digital library system. In: Proceedings of ACM Symposium on Document Engineering, Grenoble, France, pp. 234–242. ACM Press, New York (2003)6.Nielsen, J., Landauer, T.K.: A mathematical model of the finding of usability problems. In: Proceedings of INTERCHI 1993, Amsterdam, The Netherlands, pp. 206–213. ACM, New York (1993)7.Nielsen, J.: Usability Engineering. Morgan Kaufmann, San Francisco (1994)8.Paynter, G.W., Witten, I.H., Cunningham, S.J., Buchanan, G.: Scalable browsing for large collections: a case study. In: Proceedings of Digital Libraries 2000, San Antonio, Texas, pp. 215–223. ACM Press, New York (2000)9.Rieman, J.: The diary study: a workplace-oriented research tool to guide laboratory efforts. In: Proceedings of SIGCHI Conference on Human Factors in Computing Systems, Amsterdam, The Netherlands, pp. 321–326. ACM Press, New York (1993)10.Shneiderman, B.: Tree visualization with tree-maps: A 2-D space-filling approach. ACM Transactions on Graphics 11(1), 92–99 (1992)11.Soules, C.A.N., Ganger, R.: Why can’t I find my files? New methods for automating attribute assignment. In: Proceedings of 9th Workshop on Hot Topics in Operating Systems, pp. 115–120 (2003)12.Witten, I.H., Bainbridge, D.: How to build a digital library. Morgan Kaufmann, San Francisco (2002)13.Yeates, S., Bainbridge, D., Witten, I.H.: Using compression to identify acronyms in text. In: Proceedings of Data Compression Conference, p. 582 (2000)Imene Jaballah1Sally Jo Cunningham1Ian H. Witten11.Department of Computer ScienceUniversity of WaikatoHamiltonNew Zealand
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The NCBI web site requires JavaScript to function.Effect of oral appliances on blood pressure in obstructive sleep apnea: a systematic review and meta-analysis.
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2013 Feb 1;9(2):165-74. doi: 10.5664/jcsm.2420.Effect of oral appliances on blood pressure in obstructive sleep apnea: a systematic review and meta-analysis.1, , , , .1University of South Carolina, School of Medicine, Columbia, SC, USA. Imran.Iftikhar@uscmed.sc.eduAbstractBACKGROUND: Obstructive sleep apnea (OSA) is an independent risk factor for the development of hypertension. However the effect of continuous positive airway pressure (CPAP) on lowering systemic blood pressure (BP) in OSA patients has been conflicting. Oral appliance (OA) therapy is an important alternative therapy to CPAP for patients with mild to moderate OSA.OBJECTIVE: To conduct a meta-analysis of studies which have evaluated the effect of OAs on BP in patients with OSA.DATA SOURCES: Studies were retrieved by searching PubMed (all studies that were published until December 15, 2011)STUDY SELECTION: Three independent reviewers screened citations to identify trials of the effect of OA on BP.DATA EXTRACTION: Data from observational and randomized controlled trial (RCT) studies was extracted for pre- and post-treatment systolic, diastolic, and mean arterial blood pressure (SBP, DBP, and MAP).DATA SYNTHESIS: A total of 7 studies that enrolled 399 participants met the inclusion criteria. The pooled estimate of mean changes and the corresponding 95% CIs for SBP, DBP, and MAP from each trial are -2.7 mm Hg (95% CI: -0.8 to -4.6), p-value 0.04; -2.7 mm Hg (95% CI: -0.9 to -4.6), p-value 0.004; and -2.40 mm Hg (95% CI: -4.01 to -0.80), p-value 0.003 (Figures 2-4). The pooled estimate of mean changes and the corresponding 95% CIs for nocturnal SBP, DBP, and MAP from each trial are -2.0 mm Hg (95% CI: 1.1 to -5.3), p-value 0.212; -1.7 mm Hg (95% CI: -0.1 to -3.2), p-value 0.03; and -1.9 mm Hg (95% CI: 1.3 to -5.1), p-value 0.255 (Figures 5-7) respectively.CONCLUSIONS: The pooled estimate shows a favorable effect of OAs on SBP, MAP, and DBP. Most of the studies were observational. Therefore, more RCTs are warranted involving a larger number of patients and longer treatment periods to confirm the effects of OA on BP.PMID:
[Indexed for MEDLINE] J Clin Sleep Med. 2013 Feb 15;9(2):165-174.SE, LL, UL; Z, Z- p, p-value.J Clin Sleep Med. 2013 Feb 15;9(2):165-174.SE, LL, UL; Z, Z- p, p-value.J Clin Sleep Med. 2013 Feb 15;9(2):165-174.SE, LL, UL; Z, Z- p, p-value.J Clin Sleep Med. 2013 Feb 15;9(2):165-174.SE, LL, UL; Z, Z- p, p-value.J Clin Sleep Med. 2013 Feb 15;9(2):165-174.SE, LL, UL; Z, Z- p, p-value.J Clin Sleep Med. 2013 Feb 15;9(2):165-174.SE, LL, UL; Z, Z- p, p-value.J Clin Sleep Med. 2013 Feb 15;9(2):165-174.SE, LL, UL; Z, Z- p, p-value.J Clin Sleep Med. 2013 Feb 15;9(2):165-174.SE, LL, UL; Z, Z- p, p-value.J Clin Sleep Med. 2013 Feb 15;9(2):165-174.SE, LL, UL; Z, Z- p, p-value.J Clin Sleep Med. 2013 Feb 15;9(2):165-174.SE, LL, UL; Z, Z- p, p-value.J Clin Sleep Med. 2013 Feb 15;9(2):165-174.LL, UL; Z, Z- p, p-value.J Clin Sleep Med. 2013 Feb 15;9(2):165-174.Publication typesMeSH termsGrant supportFull Text SourcesOther Literature SourcesMedicalMiscellaneous
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