Remark Since we apply the row-wise softmax in Eq. (7), P jpij = 1 i and pij 0 (i,j) is alwaysfulfilled.If C(P)=0,allbutoneentryinacolumn pi, are0andtheotherentryis1. Hence,P ipij = 1 j isfulfilled. Synthetic random graph generation To generate train and test graph datasets we utilized the pythonpackage NetworkX[1]. Ego graphs extracted from Binominal graphs (p (0.2,0.6))selecting all neighbours of onerandomnode. Training Details We did not perform an extensive hyperparameter evaluation for the different experiments and mostly followed [2]for hyperparameter selection. We set the graph embedding dimension to 64.

Our development of ToolQA involved a scalable, automated process for dataset curation, along with 13 specialized tools designed for interaction with external knowledge in order to answer questions.

Furthermore, we prove a corresponding non-asymptotic result.

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