Every extractor deployed for the MICO system is obliged to support standard start-up and shut-down command line parameters. We opted for an approach using a mixture of bash scripts and servlet configurations which is shown in the figure below. End-User controlled start-up and shut-down of extractors establishing a pipeline for a specific purposes.Means of pipeline configuration defining the extractors involved and their parameters.Standardized way of parameter specification passed to the extractor during start-up.Therefore, the approach had to be improved in order to support the following features: string comparison) approach to register extractor processes, determine their dependencies, and to automatically configure pipelines based on these dependencies. However, this meant that all possible connections between all registered extractor processes were established, including unintended connections or even connections producing loops. It used a simple mime type-based connections (i.e. In order to have a first system ready by the start of the project we implemented a simple orchestration approach in our first MICO broker version. MICO Pipelines are a combination of extractors in a graph like structure to be executed in a specific order to produce cross-media annotations. Note that there are considerable differences in Open Source licenses: whereas the Apache and BSD licenses are very liberal regarding commercial use, the GPL typically precludes this kind of exploitation. For each tool we give the partner who has expertise and the license. The following table summarises the extraction technologies available to MICO. Some functionalities might be covered by different tools with different quality characteristics. ![]() To ensure we have a sufficient diversity in cross-media extraction technologies right at the start of the project, several partners bring in technologies they have developed or they have been working with. The primary goal of MICO is to build on existing extraction technologies and improve them so they can be used in cooperation instead of developing completely new extraction approaches.
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