## 5 Evaluation
### Experimental Results
#### 5.1.1 Energy Consumption in Ideal Environment
\begin{table}
\begin{tabular}{l c c c c} \hline \multirow{2}{*}{_Approach_} & **Plant Size** & **Germany** & **EU** & **USA** & **World** \\  & **366** & **262** & **379** & **441** \\  & **gCO\_2e/kWh** & **gCO\_2e/kWh** & **gCO\_2e/kWh** & **gCO\_2e/kWh** \\ \hline \multirow{2}{*}{Flink (1\&2)} & small: & 695 g & 497 g & 719 g & 837 g \\  & medium: & 2604 g & 1864 g & 2697 g & 3138 g \\  & large: & 4341 g & 3107 g & 4495 g & 5230 g \\ \hline \multirow{2}{*}{Flink heuristic} & small: & 679 g & 486 g & 703 g & 818 g \\  & medium: & 2547 g & 1824 g & 2638 g & 3069 g \\  & large: & 4246 g & 3039 g & 4396 g & 5116 g \\ \hline \multirow{2}{*}{Flink (all)} & small: & 713 g & 511 g & 739 g & 859 g \\  & medium: & 2675 g & 1915 g & 2770 g & 3223 g \\  & large: & 4458 g & 3191 g & 4616 g & 5371 g \\ \hline \multirow{2}{*}{SPARQL} & small: & 33 g + ges\({}_{n}\) & 23 g + eus\({}_{n}\) & 34 g + us\({}_{n}\) & 40 g + ws\({}_{n}\) \\  & medium: & 123 g + ge\({}_{n}\) & 88 g + eu\({}_{m}\) & 127 g + us\({}_{m}\) & 148 g + w\({}_{m}\) \\  & large: & 205 g + ge\({}_{n}\) & 147 g + eu\({}_{l}\) & 212 g + us\({}_{l}\) & 247 g + w\({}_{l}\) \\ \hline \multirow{2}{*}{LightCC} & small: & 449 g & 321 g & 465 g & 540 g \\  & medium: & 1682 g & 1204 g & 1742 g & 2027 g \\  & large: & 2804 g & 2007 g & 2903 g & 3378 g \\ \hline \multirow{2}{*}{LightCC with Change Detection} & small: & 450 g & 322 g & 466 g & 542 g \\  & medium: & 1687 g & 1207 g & 1746 g & 2032 g \\ \cline{1-1} Detection & large: & 2811 g & 2012 g & 2911 g & 3387 g \\ \hline \multirow{2}{*}{FullCC (1\&2)} & small: & 458 g & 328 g & 474 g & 552 g \\  & medium: & 1717 g & 1229 g & 1778 g & 2069 g \\ \cline{1-1}  & large: & 2826 g & 2049 g & 2964 g & 3449 g \\ \hline \end{tabular}
\end{table} 
Table 2: Carbon-dioxide equivalents (CO\({}_{2}\)_e_) in gram per kWh for daily operation in small, medium, and large plants. \begin{table}
\begin{tabular}{l c c c} \hline \multirow{2}{*}{**Approach**} & **Small Plant per Day** & **Medium Plant per Day** & **Large Plant per Day** \\  & **(Costs\(\backslash\)Day)** & **(Costs\(\backslash\)Day)** & **(Costs\(\backslash\)Day)** \\ \hline \multirow{2}{*}{Flink (all)} & 1.949 kWh & 7.308 kWh & 12.180 kWh \\  & (24.69 Cent) & (92.59 Cent) & (154.32 Cent) \\ \hline \multirow{2}{*}{Flink heuristic} & 1.856 kWh & 6.960 kWh & 11.600 kWh \\  & (23.52 Cent) & (88.18 Cent) & (146.97) \\ \hline \multirow{2}{*}{SPARQL} & 0.090 kWh + e\({}_{s}\) & 0.336 kWh + e\({}_{m}\) & 0.560 kWh + e\({}_{l}\) \\  & (1.14 Cent) + c\({}_{s}\) & (4.26 Cent) + c\({}_{m}\) & (7.10 Cent) + c\({}_{l}\) \\ \hline \multirow{2}{*}{LightCC} & 1.226 kWh & 4.596 kWh & 7.660 kWh \\  & (15.53 Cent) & (58.23 Cent) & (97.05 Cent) \\ \hline \multirow{2}{*}{LightCC with Change Detection} & 1.229 kWh & 4.608 kWh & 7.680 kWh \\  & (15.57 Cent) & (58.38 Cent) & (97.31 Cent) \\ \hline \multirow{2}{*}{FullCC (1\&2)} & 1.251 kWh & 4.692 kWh & 7.820 kWh \\  & (15.85 Cent) & (59.45 Cent) & (99.08 Cent) \\ \hline \multirow{2}{*}{FullCC (all)} & 1.261 kWh & 4.728 kWh & 7.880 kWh \\  & (15.97 Cent) & (59.90 Cent) & (99.84 Cent) \\ \hline \multirow{2}{*}{Automaton} & 0.963 kWh & 3.612 kWh & 6.020 kWh \\  & (12.20 Cent) & (45.76 Cent) & (76.27 Cent) \\ \hline \multicolumn{2}{l}{Legend: e\({}_{s}\): \(-\)0.049 kWh RDF transform in small plant. e\({}_{m}\): \(-\)0.183 kWh RDF transform in medium plant. e\({}_{s}\): \(-\)0.305 kWh RDF transform in large plant. c\({}_{s}\): \(-\)0.61 Cent RDF transform in small plant. c\({}_{m}\): \(-\)2.32 Cent RDF transform in medium plant. c\({}_{l}\): \(-\)3.86 Cent RDF transform in large plant.} \\ \end{tabular}
\end{table} 
Table 1: _Cont._