% generated by tables/make_tables.py from data/metadata/linkage_report.json
\begin{table}[htbp]\centering\caption{Record linkage between sources.}\label{tab:linkage}
\begin{threeparttable}\small
\begin{tabular}{lr}
\toprule
\textbf{Quantity} & \textbf{Count} \\
\midrule
DBLP records 2018–2026 & 4{,}347{,}365 \\
… with DOI & 4{,}052{,}326 \\
DBLP ↔ OpenAlex links by DOI & 3{,}639{,}848 \\
… by normalised title + year (+ first author) & 141{,}062 \\
DBLP records linked (distinct) & 3{,}774{,}184 \\
DBLP records without OpenAlex record & 573{,}181 \\
arXiv cs records created 2018–2026 & 890{,}852 \\
arXiv ↔ OpenAlex by arXiv id & 914{,}406 \\
… by DOI & 783 \\
… by title + year & 1{,}768 \\
ACL entries 2018–2026 & 85{,}625 \\
ACL ↔ OpenAlex linked (2018–2026) & 72{,}949 \\
\bottomrule
\end{tabular}
\end{threeparttable}\end{table}