Siamak Shakeri

Differentiable Greedy Networks

2018 · arXiv (Cornell University)

Optimal selection of a subset of items from a given set is a hard problem that requires combinatorial optimization. In this paper, we propose a subset selection algorithm that is trainable with gradient-based methods yet …

Embedding-based Zero-shot Retrieval through Query Generation

2020 · arXiv (Cornell University)

Passage retrieval addresses the problem of locating relevant passages, usually from a large corpus, given a query. In practice, lexical term-matching algorithms like BM25 are popular choices for retrieval owing to their efficiency. However, term-based …