CAREER: MACAQUE - Managing Ambiguity and Complexity in Acquisitional QUery Environments

MACAQUE是一个具有不确定性感知的数据收集系统，可在资源有限的环境（如传感器或其他无线网络）中提供能源和带宽效率高的查询。MACAQUE提供了一个类似sql的查询接口，用于指定应该在何时何地获取数据。表示为置信度或概率分布的不确定性信息作为数据模型的一部分提供，并随每个原始读取或处理结果一起提供。通过显式地表示不确定性，MACAQUE为用户提供了信息和接口，使他们能够更好地解释某些环境的实际状态，即使在存在数据丢失或传感节点故障的情况下。MACAQUE是作为一套开源数据管理工具开发的，旨在允许用户从无线传感器网络捕获数据，并在考虑不精确和不确定性的情况下回答有关该数据的查询。该项目通过涉及麻省理工学院数据库系统研究的本科生和研究生，以及形成土木工程/EECS本科生联合传感实验室的关键组成部分，对社区产生了广泛的影响。关于MACAQUE的更多信息，以及指向源代码、数据集、出版物、演示文稿和课程材料的指针（所有这些都是免费提供的）都可以在项目网站（http://db.csail.mit.edu/macaque/）上获得。

MACAQUE is an uncertainty-aware data collection system that provides energy- and bandwidth-efficient querying in resource-limited environments, such as sensor or other wireless networks. MACAQUE provides an SQL-like query interface for specifying when and where data should be acquired. Uncertainty information, represented as confidences or probability distributions, is provided as a part of the data model, and carried with every raw reading or processed result. By explicitly representing uncertainty, MACAQUE provides users with information and interfaces that enable them to better interpret the actual state of some environment even in the presence of lost data or failed sensing nodes. MACAQUE is developed as a suite of open source data management tools designed to allow the user's to capture data from wireless sensor networks and to answer queries about that data while taking into account imprecision and uncertainty. The project has a broad impact on the community by involving undergraduate and graduate students in database systems research at MIT as well as in forming a key component of a joint Civil Engineering/EECS undergraduate sensing laboratory. More information about MACAQUE, as well as pointers to source code, data sets, publications, presentations, and course materials (all of which are made freely available) are available on the project web site (http://db.csail.mit.edu/macaque/).