material ID: webqsp

Related Papers

Improved Neural Relation Detection for Knowledge Base Question Answering

Authors: nan

Publication: TIPSTER (2017)

DOI: nan

AbstractRelation detection is a core component of many NLP applications including Knowledge Base Question Answering (KBQA). In this paper, we propose a hierarchical recurrent neural network enhanced by residual learning …...

40061

Improving Question Answering over Incomplete KBs with Knowledge-Aware Reader

Authors: nan

Publication: TIPSTER (2019)

DOI: nan

AbstractWe propose a new end-to-end question answering model, which learns to aggregate answer evidence from an incomplete knowledge base (KB) and a set of retrieved text snippets. Under the assumptions …...

39546

UHop: An Unrestricted-Hop Relation Extraction Framework for Knowledge-Based Question Answering

Authors: nan

Publication: TIPSTER (2019)

DOI: nan

AbstractIn relation extraction for knowledge-based question answering, searching from one entity to another entity via a single relation is called “one hop”. In related work, an exhaustive search from all …...

22254

Efficient One-Pass End-to-End Entity Linking for Questions

Authors: nan

Publication: TIPSTER (2020)

DOI: nan

AbstractWe present ELQ, a fast end-to-end entity linking model for questions, which uses a biencoder to jointly perform mention detection and linking in one pass. Evaluated on WebQSP and GraphQuestions …...

30039

Large-Scale Relation Learning for Question Answering over Knowledge Bases with Pre-trained Language Models

Authors: nan

Publication: TIPSTER (2021)

DOI: nan

AbstractThe key challenge of question answering over knowledge bases (KBQA) is the inconsistency between the natural language questions and the reasoning paths in the knowledge base (KB). Recent graph-based KBQA …...

31814

A Sequential Flow Control Framework for Multi-hop Knowledge Base Question Answering

Authors: nan

Publication: TIPSTER (2022)

DOI: nan

AbstractOne of the key challenges of knowledge base question answering (KBQA) is the multi-hop reasoning. Since in different hops, one attends to different parts of question, it is important to …...

30302

RNG-KBQA: Generation Augmented Iterative Ranking for Knowledge Base Question Answering

Authors: nan

Publication: TIPSTER (2022)

DOI: nan

AbstractExisting KBQA approaches, despite achieving strong performance on i.i.d. test data, often struggle in generalizing to questions involving unseen KB schema items. Prior ranking-based approaches have shown some success in …...

38966

Few-shot In-context Learning on Knowledge Base Question Answering

Authors: nan

Publication: TIPSTER (2023)

DOI: nan

AbstractQuestion answering over knowledge bases is considered a difficult problem due to the challenge of generalizing to a wide variety of possible natural language questions. Additionally, the heterogeneity of knowledge …...

38479