Abstract: In this paper, we propose an efficient query-by-example method for large-scale video data. To implement this, we address the following three problems. The first one is that large-scale video ...

Mapper converts each row to a **key, value** pair: category, cost.

To get around this error I added the following config item to the application-context.xml for the config object: yarn.application.classpath=$HADOOP_CONF_DIR,$HADOOP ...