... our learning algorithm is the strategy used to select samples for training. In general, this novel learning framework lies be- tween supervised learning and reinforcement learn- ing. Guided learning ... classification are dynamically incorporated in the learning phase. Guided learning is not as hard as reinforcement learning. At each local step in learning, we always know the u...
Ngày tải lên: 20/02/2014, 12:20
... systems adopting the standard machine learning approach, outperforming them by as much as 4–7% on the three data sets for one of the performance metrics. 2 Related Work As mentioned before, our approach differs ... and Cardie (2002b) for details. Learning algorithms. We consider three learning algorithms, namely, the C4.5 decision tree induction system (Quinlan, 1993), the RIPPER ru...
Ngày tải lên: 20/02/2014, 15:20
Báo cáo khoa học: "Accurate Learning for Chinese Function Tags from Minimal Features" pdf
... applying it to our specific task. 3.1 Learning Model The framework from which HM-SVM are derived is a maximum margin formulation for joint fea- ture functions in kernel learning setting. Given n labeled ... satisfactory for practical use. The limitation is even more pertinent for the lan- guages that do not have sophisticated parsing re- sources, or languages that have inherent lingu...
Ngày tải lên: 08/03/2014, 01:20
Báo cáo khoa học: "Transductive learning for statistical machine translation" potx
... Linguistics, pages 25–32, Prague, Czech Republic, June 2007. c 2007 Association for Computational Linguistics Transductive learning for statistical machine translation Nicola Ueffing National Research Council ... Algorithm 1 we run it for a fixed number of iterations and instead focus on finding useful def- initions for Estimate, Score and Select that can be experimentally shown to im...
Ngày tải lên: 08/03/2014, 02:21
Báo cáo khoa học: "Spectral Learning for Non-Deterministic Dependency Parsing" ppt
... paper we study spectral learning methods for non-deterministic split head- automata grammars, a powerful hidden- state formalism for dependency parsing. We present a learning algorithm that, ... parsing and learning algorithms for grammatical bigram models. Techni- cal Report UCB/CSD-01-1148, University of Cali- fornia, Berkeley. Slav Petrov and Dan Klein. 2007. Improved infer- en...
Ngày tải lên: 08/03/2014, 21:20
Báo cáo khoa học: "Reinforcement Learning for Mapping Instructions to Actions" pdf
... contrast, our emphasis is on learning language by proactively interacting with an external environment. Reinforcement Learning for Language Pro- cessing Reinforcement learning has been previ- ously ... divided into 70 for training, 18 for development, and 40 for test. In the puzzle game domain, we use 50 tutorials, divided into 40 for training and 10 for test. 9 Statistics...
Ngày tải lên: 17/03/2014, 01:20
Báo cáo khoa học: "Active Learning for Statistical Natural Language Parsing" potx
... clustering results in a better learning curve. 4.4 Summary Result Figure 8 shows the best active learning result compared with that of random selection. The learning curve for ac- tive learning is obtained ... avoid the unwanted bias toward small clusters. For cluster , the weight for sample is proportional to . Weight by Performance: The idea of weight by performance is to focu...
Ngày tải lên: 17/03/2014, 08:20
Báo cáo khoa học: "Active Learning for Multilingual Statistical Machine Translation∗" ppt
... 2: The performance of different sentence selection strategies as the iteration of AL loop goes on for three translation tasks. Plots show the performance of sentence selection methods for single ... for system combination, the source languages for each of our MT systems are different, which rules out a set of popular methods for obtaining consensus translations which assume translat...
Ngày tải lên: 23/03/2014, 16:21
Báo cáo khoa học: "Discriminative Learning for Joint Template Filling" pptx
... the Association for Computational Linguistics, pages 845–853, Jeju, Republic of Korea, 8-14 July 2012. c 2012 Association for Computational Linguistics Discriminative Learning for Joint Template ... for each tar- get relation, an integrated model to weight the dif- ferent extraction options, including for example the likely lengths for events, or the fact that start times shoul...
Ngày tải lên: 30/03/2014, 17:20