BETTER

该数据集是由美国国防高级研究计划局（IARPA）的BETTER项目开发的一套自然语言处理资源，旨在帮助情报分析师高效且有效地处理和分析大量非结构化、多语种的信息。该数据集包含了跨越多种语言和主题文本的事件跨度标注，支持基于英文示例文档的精确文档检索，从而实现了事件监测方面的有效搜索任务。该任务是多语言查询示例及文档检索，用于事件监控。

This dataset is a natural language processing resource developed by the BETTER project of the U.S. Intelligence Advanced Research Projects Activity (IARPA). It is designed to help intelligence analysts efficiently and effectively process and analyze large volumes of unstructured, multilingual information. The dataset includes event span annotations for texts spanning multiple languages and topics, and supports exact document retrieval based on English example documents, enabling effective search tasks for event monitoring. This task refers to multilingual query-example and document retrieval for event monitoring.