no code implementations • EMNLP 2021 • Kechen Qin, Cheng Li, Virgil Pavlu, Javed Aslam
Most of the existing Knowledge-based Question Answering (KBQA) methods first learn to map the given question to a query graph, and then convert the graph to an executable query to find the answer.
no code implementations • 22 May 2020 • Kechen Qin, Yu Wang, Cheng Li, Kalpa Gunaratna, Hongxia Jin, Virgil Pavlu, Javed A. Aslam
Multi-hop knowledge based question answering (KBQA) is a complex task for natural language understanding.
no code implementations • NAACL 2019 • Kechen Qin, Cheng Li, Virgil Pavlu, Javed A. Aslam
Previous such RNN models define probabilities for sequences but not for sets; attempts to obtain a set probability are after-thoughts of the network design, including pre-specifying the label order, or relating the sequence probability to the set probability in ad hoc ways.
no code implementations • 16 Feb 2018 • Jesse Anderton, Pavel Metrikov, Virgil Pavlu, Javed Aslam
We present a technique for estimating the similarity between objects such as movies or foods whose proper representation depends on human perception.
1 code implementation • 1 May 2017 • Bingyu Wang, Cheng Li, Virgil Pavlu, Javed Aslam
Multi-label text classifiers need to be carefully regularized to prevent the severe over-fitting in the high dimensional space, and also need to take into account label dependencies in order to make accurate predictions under uncertainty.