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		<AuthorList>
			<Author><Name>Walid G. Aref</Name></Author>
			<Author><Name>Ihab F. Ilyas</Name></Author>
		</AuthorList>
		<Title>SP-GiST: An Extensible Database Index for Supporting Space Partitioning Trees</Title>
		<JournalName>Journal of Intelligent Information Systems (JIIS)</JournalName>
		<volume>17</volume>
		<Number>2/3</Number>
		<PageFrom>215</PageFrom>
		<PageTo>240</PageTo>
		<Year>2001</Year>
		<URL>./papers/W87R36P214137510.pdf</URL>
	</JournalPub>
	<ConferencePub>
		<AuthorList>
			<Author><Name>Walid G. Aref</Name></Author>
			<Author><Name>Ihab F. Ilyas</Name></Author>
		</AuthorList>
		<Title>An Extensible Index for Spatial Databases</Title>
		<ConferenceName>The 13th International Conference on Scientific and Statistical Database Management (SSDBM)</ConferenceName>
		<PageFrom>49</PageFrom>
		<PageTo>58</PageTo>
		<Year>2001</Year>
		<URL>./papers/ssdbm01.pdf</URL>
	</ConferencePub>
	<ConferencePub>
		<AuthorList>
			<Author><Name>Thanaa M. Ghanem</Name></Author>
			<Author><Name>Rahul Shah</Name></Author>
			<Author><Name>Mohamed F. Mokbel</Name></Author>
			<Author><Name>Walid G. Aref</Name></Author>
			<Author><Name>Jeffry S. Vitter</Name></Author>
		</AuthorList>
		<Title>Bulk Operations for Space-Partitioning Trees</Title>
		<ConferenceName>The 20th International Conference of Data Engineering, (ICDE)</ConferenceName>
		<PageFrom>29</PageFrom>
		<PageTo>41</PageTo>
		<Year>2004</Year>
		<URL>./papers/spbulk17.ps</URL>
	</ConferencePub>
	<ConferencePub>
		<AuthorList>
			<Author><Name>Mohamed Y. Eltabakh</Name></Author>
			<Author><Name>Ramy Eltarras</Name></Author>
			<Author><Name>Walid G. Aref</Name></Author>
		</AuthorList>
		<Title>Space-partitioning Trees inside PostgreSQL: Realizing and Performance</Title>
		<ConferenceName>The 22nd International Conference of Data Engineering, (ICDE)</ConferenceName>
		<PageFrom>100</PageFrom>
		<PageTo>111</PageTo>
		<Year>2006</Year>
		<URL>./papers/icde06.pdf</URL>
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