1. Bishop, C.M., Svensen, M., Hinton, G.E.: Distinguishing text from graphics in on-line handwritten ink. In: Ninth International Workshop on Frontiers in Handwriting Recognition, pp. 142–147. IEEE (2004)
2. Indermühle, E.: Analysis of Digital Ink in Electronic Documents. PhD thesis, University of Bern (2012)
3. Indermühle, E., Liwicki, M., Bunke, H.: IAMonDo-database: an online handwritten document database with non-uniform contents. In: Document Analysis Systems, pp. 97–104 (2010)
4. Jain, A.K., Namboodiri, A.M., Subrahmonia, J.: Structure in on-line documents. In: Sixth International Conference on Document Analysis and Recognition, pp. 844–848. IEEE (2001)
5. Lafferty, J., McCallum, A., Pereira, F.: Conditional random fields: Probabilistic models for segmenting and labeling sequence data. In: International Conference on Machine Learning, pp. 282–289 (2001)