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	<use xlink:href='#gpPt11' transform='translate(579.60,173.04) scale(3.75)' color='rgb(118, 171,  47)'/>
	<use xlink:href='#gpPt11' transform='translate(724.26,156.07) scale(3.75)' color='rgb(118, 171,  47)'/>
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	<g id="gnuplot_plot_11a" ><title>gnuplot_plot_11a</title>
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	<g id="gnuplot_plot_12a" ><title>gnuplot_plot_12a</title>
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<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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	<use xlink:href='#gpPt0' transform='translate(217.93,236.14) scale(3.75)' color='rgb(125,  46, 141)'/>
	<use xlink:href='#gpPt0' transform='translate(290.27,232.60) scale(3.75)' color='rgb(125,  46, 141)'/>
	<use xlink:href='#gpPt0' transform='translate(434.93,176.87) scale(3.75)' color='rgb(125,  46, 141)'/>
	<use xlink:href='#gpPt0' transform='translate(579.60,174.02) scale(3.75)' color='rgb(125,  46, 141)'/>
	<use xlink:href='#gpPt0' transform='translate(724.26,160.90) scale(3.75)' color='rgb(125,  46, 141)'/>
	<use xlink:href='#gpPt0' transform='translate(1013.59,141.31) scale(3.75)' color='rgb(125,  46, 141)'/>
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	<g id="gnuplot_plot_13a" ><title>gnuplot_plot_13a</title>
<g fill="none" color="white" stroke="rgb(125,  46, 141)" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
	<g transform="translate(1006.36,151.29)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="10.00"  text-anchor="end">
		<text><tspan font-family="Helvetica" >2085</tspan></text>
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</g>
	</g>
	<g id="gnuplot_plot_14a" ><title>gnuplot_plot_14a</title>
<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
	<g transform="translate(152.83,245.88)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="10.00"  text-anchor="start">
		<text><tspan font-family="Helvetica" >584</tspan></text>
	</g>
	<g transform="translate(225.17,239.39)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="10.00"  text-anchor="start">
		<text><tspan font-family="Helvetica" >637</tspan></text>
	</g>
	<g transform="translate(297.50,235.85)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="10.00"  text-anchor="start">
		<text><tspan font-family="Helvetica" >668</tspan></text>
	</g>
	<g transform="translate(442.16,180.12)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="10.00"  text-anchor="start">
		<text><tspan font-family="Helvetica" >1415</tspan></text>
	</g>
	<g transform="translate(586.83,177.27)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="10.00"  text-anchor="start">
		<text><tspan font-family="Helvetica" >1470</tspan></text>
	</g>
	<g transform="translate(731.49,164.15)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="10.00"  text-anchor="start">
		<text><tspan font-family="Helvetica" >1754</tspan></text>
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</g>
	</g>
	<g id="gnuplot_plot_15a" ><title>gnuplot_plot_15a</title>
<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
	<g transform="translate(1006.36,53.98)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="10.00"  text-anchor="end">
		<text><tspan font-family="Helvetica" >7722</tspan></text>
	</g>
</g>
	</g>
	<g id="gnuplot_plot_16a" ><title>gnuplot_plot_16a</title>
<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
	<g transform="translate(152.83,136.36)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="10.00"  text-anchor="start">
		<text><tspan font-family="Helvetica" >2549</tspan></text>
	</g>
	<g transform="translate(225.17,129.65)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="10.00"  text-anchor="start">
		<text><tspan font-family="Helvetica" >2790</tspan></text>
	</g>
	<g transform="translate(297.50,111.09)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="10.00"  text-anchor="start">
		<text><tspan font-family="Helvetica" >3581</tspan></text>
	</g>
	<g transform="translate(442.16,71.18)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="10.00"  text-anchor="start">
		<text><tspan font-family="Helvetica" >6127</tspan></text>
	</g>
	<g transform="translate(586.83,55.15)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="10.00"  text-anchor="start">
		<text><tspan font-family="Helvetica" >7600</tspan></text>
	</g>
	<g transform="translate(731.49,60.79)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="10.00"  text-anchor="start">
		<text><tspan font-family="Helvetica" >7046</tspan></text>
	</g>
</g>
	</g>
	<g id="gnuplot_plot_17a" ><title>Linear List</title>
<g fill="none" color="white" stroke="rgb(  0,   0,   0)" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_18a" ><title>Quadtree</title>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_19a" ><title>R-tree (Boost)</title>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_20a" ><title>Kd-tree</title>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_21a" ><title>R-tree</title>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_22a" ><title>R*-tree</title>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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	</g>
	<g stroke='none' shape-rendering='crispEdges'>
		<polygon fill = 'white' points = '152.60,105.01 467.12,105.01 467.12,39.01 152.60,39.01 '/>
	<g transform="translate(309.86,50.84)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="11.00"  text-anchor="middle">
		<text><tspan font-family="Helvetica"  font-weight="bold" >Data structure</tspan></text>
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	</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
	<path stroke='rgb(  0,   0,   0)'  d='M152.60,105.01 L152.60,39.01 L467.12,39.01 L467.12,105.01 L152.60,105.01 Z  '/>	<path stroke='rgb(  0,   0,   0)'  d='M152.60,55.51 L467.12,55.51  '/></g>
	<g id="gnuplot_plot_1a" ><title>gnuplot_plot_1a</title>
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</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_2a" ><title>gnuplot_plot_2a</title>
<g fill="none" color="white" stroke="rgb(216,  82,  24)" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_3a" ><title>gnuplot_plot_3a</title>
<g fill="none" color="white" stroke="rgb(216,  82,  24)" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_4a" ><title>gnuplot_plot_4a</title>
<g fill="none" color="white" stroke="rgb(236, 176,  31)" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_5a" ><title>gnuplot_plot_5a</title>
<g fill="none" color="white" stroke="rgb(236, 176,  31)" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_6a" ><title>gnuplot_plot_6a</title>
<g fill="none" color="white" stroke="rgb(161,  19,  46)" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_7a" ><title>gnuplot_plot_7a</title>
<g fill="none" color="white" stroke="rgb(161,  19,  46)" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_8a" ><title>gnuplot_plot_8a</title>
<g fill="none" color="white" stroke="rgb(  0, 113, 188)" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_9a" ><title>gnuplot_plot_9a</title>
<g fill="none" color="white" stroke="rgb(  0, 113, 188)" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_10a" ><title>gnuplot_plot_10a</title>
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</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_11a" ><title>gnuplot_plot_11a</title>
<g fill="none" color="white" stroke="rgb(118, 171,  47)" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_12a" ><title>gnuplot_plot_12a</title>
<g fill="none" color="white" stroke="rgb(125,  46, 141)" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_13a" ><title>gnuplot_plot_13a</title>
<g fill="none" color="white" stroke="rgb(125,  46, 141)" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_14a" ><title>gnuplot_plot_14a</title>
<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_15a" ><title>gnuplot_plot_15a</title>
<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_16a" ><title>gnuplot_plot_16a</title>
<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
	</g>
	<g id="gnuplot_plot_17a" ><title>Linear List</title>
<g fill="none" color="white" stroke="rgb(  0,   0,   0)" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
	<g transform="translate(204.86,67.34)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="11.00"  text-anchor="start">
		<text><tspan font-family="Helvetica" >Linear List</tspan></text>
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</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
	<path stroke='rgb(216,  82,  24)'  d='M159.60,63.76 L197.86,63.76  '/>	<use xlink:href='#gpPt3' transform='translate(178.73,63.76) scale(3.75)' color='rgb(216,  82,  24)'/>
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	</g>
	<g id="gnuplot_plot_18a" ><title>Quadtree</title>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
	<g transform="translate(204.86,83.84)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="11.00"  text-anchor="start">
		<text><tspan font-family="Helvetica" >Quadtree</tspan></text>
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</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
	<path stroke='rgb(236, 176,  31)'  d='M159.60,80.26 L197.86,80.26  '/>	<use xlink:href='#gpPt5' transform='translate(178.73,80.26) scale(3.75)' color='rgb(236, 176,  31)'/>
</g>
	</g>
	<g id="gnuplot_plot_19a" ><title>R-tree (Boost)</title>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
	<g transform="translate(204.86,100.34)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="11.00"  text-anchor="start">
		<text><tspan font-family="Helvetica" >R-tree (Boost)</tspan></text>
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</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
	<path stroke='rgb(161,  19,  46)'  d='M159.60,96.76 L197.86,96.76  '/>	<use xlink:href='#gpPt1' transform='translate(178.73,96.76) scale(3.75)' color='rgb(161,  19,  46)'/>
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	</g>
	<g id="gnuplot_plot_20a" ><title>Kd-tree</title>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
	<g transform="translate(362.12,67.34)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="11.00"  text-anchor="start">
		<text><tspan font-family="Helvetica" >Kd-tree</tspan></text>
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</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
	<path stroke='rgb(  0, 113, 188)'  d='M316.86,63.76 L355.12,63.76  '/>	<use xlink:href='#gpPt2' transform='translate(335.99,63.76) scale(3.75)' color='rgb(  0, 113, 188)'/>
</g>
	</g>
	<g id="gnuplot_plot_21a" ><title>R-tree</title>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
	<g transform="translate(362.12,83.84)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="11.00"  text-anchor="start">
		<text><tspan font-family="Helvetica" >R-tree</tspan></text>
	</g>
</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
	<path stroke='rgb(118, 171,  47)'  d='M316.86,80.26 L355.12,80.26  '/>	<use xlink:href='#gpPt11' transform='translate(335.99,80.26) scale(3.75)' color='rgb(118, 171,  47)'/>
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	</g>
	<g id="gnuplot_plot_22a" ><title>R*-tree</title>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
	<g transform="translate(362.12,100.34)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="11.00"  text-anchor="start">
		<text><tspan font-family="Helvetica" >R*-tree</tspan></text>
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</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
	<path stroke='rgb(125,  46, 141)'  d='M316.86,96.76 L355.12,96.76  '/>	<use xlink:href='#gpPt0' transform='translate(335.99,96.76) scale(3.75)' color='rgb(125,  46, 141)'/>
</g>
	</g>
<g fill="none" color="white" stroke="rgb(125,  46, 141)" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter">
</g>
<g fill="none" color="black" stroke="black" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
	<path stroke='rgb(  0,   0,   0)'  d='M145.60,31.51 L145.60,373.80 L1013.59,373.80 L1013.59,31.51 L145.60,31.51 Z  '/></g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
	<g transform="translate(579.59,11.09)" stroke="none" fill="rgb(0,0,0)" font-family="Helvetica" font-size="11.00"  text-anchor="middle">
		<text><tspan font-family="Helvetica"  font-weight="bold" >Query nearest (n = 500)</tspan></text>
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</g>
<g fill="none" color="black" stroke="currentColor" stroke-width="0.50" stroke-linecap="butt" stroke-linejoin="miter">
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