> ## Documentation Index
> Fetch the complete documentation index at: https://kumo.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.
# Link Prediction
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For link prediction tasks, Kumo provides F1\@K, MAP\@K, Precision\@K, Recall\@K (for K = 1, 10, and 100), as well as the following:
**Normalized Discounted Cumulative Gain (NDCG)** is calculated by:
where **\_reli \_**is the graded relevance of the result at position ***i***.
**Mean Average Precision (MAP)** is calculated by:
where MAP is calculated by finding the average precision (AP) for each query, and then averaging over the number of queries.
**Mean Reciprocal Rank (MRR)** is calculated by:
where **\_ranki \_**refers to the rank position of the *first* relevant item for the *i*-th query.