研究时间敏感问答中重排答案的策略，提升对历史事件的准确回答能力。
Evaluating Answer Reranking Strategies in Time-sensitive Question Answering
- 基于时间特征设计简单答案选择方法
- 发现显式与隐式时间问题表现差异显著
- 适合关注历史事件问答的系统开发者
尽管先进模型和信息检索技术不断进步，现有系统在处理时间信息及回答关于过去事件的详细问题方面仍存在困难。本文通过探索几种简单的答案选择技术，研究了答案的时间特性在问答系统中的影响。研究结果强调了时间特征在从历时文档集合中选择最相关答案时的重要性，并揭示了显式时间问题与隐式时间问题之间的显著差异。
原文摘要 · Abstract (English)
Despite advancements in state-of-the-art models and information retrieval techniques, current systems still struggle to handle temporal information and to correctly answer detailed questions about past events. In this paper, we investigate the impact of temporal characteristics of answers in Question Answering (QA) by exploring several simple answer selection techniques. Our findings emphasize the role of temporal features in selecting the most relevant answers from diachronic document collections and highlight differences between explicit and implicit temporal questions.
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