There are two extra features that you don't find in brat: You can write and save labeling guidelines right within the app (in Markdown), and get a basic diagrammatic overview of the labeling stats. The project type also determines the options for the annotation export format, which is either CSV or JSON-based.ĭoccano admits multiple users, but apart from that there are no additional features for collaborative labeling. Depending on the choice of the use case, there are only labels on document level or span level. This means that doccano is more beginner-friendly (and probably in general more user-friendly) than brat, but contrary to brat one cannot define relationships or attributes.
The use case is limited to document classification, sequence labeling and sequence-to-sequence. The main differences in comparison with brat are thatĪll configuration is done in the web user interface and Just like brat, it runs server-based and has a browser UI. It's easier to use and simpler than brat. The options in the menu depend on the configuration of the labeling scheme.ĭoccano is another annotation tool solely for text files. Using brat is fairly straightforward: Marking a text span opens a pop-up menu. conf files (which are actually plain text files in brat's own standoff format). We've found that brat works best with Google Chrome.īrat allows for the configuration of a project-specific labeling scheme via. Thus you might have to modify the command python standalone.py to python2 standalone.py.
BEST ANNOTATION SOFTWARE WINDOWS HOW TO
Make sure to check out the Detailed Instructions -> Placing Data section of the instructions to learn how to set up the annotation files.īrat is not compatible with Python 3.
BEST ANNOTATION SOFTWARE WINDOWS INSTALL
If you just want to install and run brat on your local machine, then the standalone server is what you want. Let me just add a couple of hints that might make your life easier: Installationīrat comes with detailed instructions how to install it. We found that parsing the annotations works smoothly if the labeled entities are words or sub-sentence expressions, but becomes tedious for longer spans.īrat provides some functionality for collaborative labeling: Multiple users are supported, and there is an integrated annotation comparison. The annotations are also stored in text files. colours of labels) and tools like sentence segmentation (splitting) or tokenization. Furthermore, there are special configuration files to define a non-default visual configuration (e.g. You can define span entities, relations and attributes and constraints for them, which brat checks automatically. For these two reasons, brat isn't a very well-suited tool for annotating structured documents, where you rather might want to annotate PDFs directly.Ĭonfiguring a labeling scheme is easy and flexible. The user interface (UI) presentation of the text file in brat is not necessarily true to its original formatting. paragraphs) turns out to be really inconvenient (see Usage below). Annotating significantly longer text spans (i.e.
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