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The Utilization of Case-Based Reasoning 233

Table 1. ED Cases

Case Reference Summary
#
Case (Chetouane, Barker, & This case is about a problem related to
1 Oropeza, 2012) optimizing the operation and processes of a
regular ED
Case (Patvivatsiri, 2006) Operation and processes of the ED is optimized
2 for a mid-size hospital during extreme events
Case (Gul & Guneri, 2012) The purpose of this study is to optimize the
3 operation and processes of the ED of a regional
hospital
Case (Yeh & Lin, 2007) Optimizing the operation and processes of the
4 ED of a small hospital in a city is the target of
this case
Case (Zeinali, Mahootchi, & The aim of this research is to optimize the
5 Sepehri, 2015) operation and processes of the ED in a
specialized hospital.
Case (Ahmed & Alkhamis, This is about optimized processes and
6 2009) operations in an ED of a mid-size governmental
hospital
Case (Lim, Worster, Goeree, The case solved in this problem is to optimize
7 & Tarride, 2013) the operation and processes of the ED of a local
hospital
Case (Meng, 2013) The effort done in this study was directed to
8 optimize operation and processes of the ED of a
large hospital
Case (Wylie, 2004) The operation and related processes of a
9 Primary Care Clinic in a university are
optimized to improve the student health services
Case (Terry & Chao, 2012) The crowding problem in an ED of a medical
10 center that is located in a metropolitan area is
solved in this study

The Indexing System

The second step in constructing the case base system involves defining the indexing
system to identify the specifics of the attributes of the solved cases for easy indexing and
retrieval. Attributes could be either numerical or non-numerical such as locations,
programs used, or type of employees to name a few. A retrieval engine will then use the
identified attributes of the new case to retrieve similar cases from the case-base.
The Emergency department’s operations attributes include: