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\begin{center}
\begin{tabular}{|l l|}
\hline
\textbf{Symbol} & \textbf{Description} \\ \hline
$N_B$ & Capacity of the mutable buffer \\ \hline
$s$ & Scale factor \\ \hline
$N_B$ & Buffer size \\ \hline
$\delta$ & Maximum proportion of deleted records in structure \\ \hline
$B(n)$ & Data structure construction cost from unsorted records \\ \hline
$B_M(n, k)$ & Data structure construction cost from merging $k$ existing instances\\ \hline
$L(n)$ & Point-lookup cost \\ \hline
$\mathscr{Q}(n)$ & Worst-case query cost over entire structure \\ \hline
$\mathscr{Q}_B(n)$ & Best-case query cost over entire structure \\ \hline
$\mathscr{Q}_S(n)$ & Worst-case query cost over a single block/shard \\ \hline
$I_A(n)$ & Amortized insertion cost \\ \hline
$I(n)$ & Worst-case insertion cost \\ \hline
$I_B(n)$ & Best-case insertion cost \\ \hline
$D(n)$ & Worst-case deletion cost \\ \hline
$D_A(n)$ & Amortized deletion cost \\ \hline
$C(n)$ & Worst-case result combination cost \\ \hline
$P(n)$ & Worst-case cost of eDSP preprocessing \\ \hline
$C_e(n)$ & Worst-case cost of eDSP result set combination \\ \hline
$R(n)$ & Worst-case number of repetitions of an IDSP \\ \hline
$\mathscr{D}(n)$ & Worst-case cost of eDSP local query generation \\ \hline
$\mathcal{D}$ & Record domain \\ \hline
$\mathcal{R}$ & Search problem result domain \\ \hline
$\mathcal{Q}$ & Search problem parameter domains \\ \hline
$F$ & Search problem \\ \hline
$\mathcal{I}$ & Data structure type \\ \hline
$\mathscr{I}$ & Data structure instance \\ \hline
$\mathscr{L}_i$ & The $i$th level in a decomposition \\ \hline
$\mathcal{V}_i$ & The $i$th version of a decomposed structure \\ \hline
$f(n)$ & Number of blocks in an equal block size decomposition \\ \hline
$\gamma$ & Amount of extra delay added to insertions \\ \hline
\end{tabular}
\end{center}
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