Why is the vector size of sift_groundtruth.ivecs, sift_query.fvecs and query results in ANN_SIFT1M different?

ZJULearning / nsg

Navigating Spreading-out Graph For Approximate Nearest Neighbor Search

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Why is the vector size of sift_groundtruth.ivecs, sift_query.fvecs and query results in ANN_SIFT1M different? #19

Closed MrHwc closed 5 years ago

MrHwc commented 5 years ago

Why is the vector size of sift_groundtruth.ivecs, sift_query.fvecs and query results in ANN_SIFT1M different?How to calculate precision?

fc731097343 commented 5 years ago

For the formatting of different files, please refer to http://corpus-texmex.irisa.fr for more details. We use precision@K/recall@K to evaluate the results, please refer to the definition in our paper for more details.