Báo cáo khoa học: "Hierarchical Sequential Learning for Extracting Opinions and their Attributes" ppt
Báo cáo khoa học: "Hierarchical Sequential Learning for Extracting Opinions and their Attributes" ppt
... 11-16 July 2010.
c
2010 Association for Computational Linguistics
Hierarchical Sequential Learning for Extracting Opinions and their
Attributes
Yejin Choi and Claire Cardie
Department of Computer ... (e.g. Kim and Hovy (2005), Popescu and
Etzioni (2005), Breck et al. (2007)), determining
their polarity (e.g. Hu and Liu (2004), Kim and
Hovy (2004), Wilson et al. (2...
Báo cáo khoa học: "Hierarchical Joint Learning: Improving Joint Parsing and Named Entity Recognition with Non-Jointly Labeled Data" potx
... part-of-speech (POS) tagger
for Chinese, and Toutanova and Cherry (2009)
learned a joint model of lemmatization and POS
tagging which outperformed a pipelined model.
Adler and Elhadad (2006) presented ... where
there exists labeled training data for all domains
and the goal is to improve performance on all of
them. Ando and Zhang (2005) utilized a multi-
task learner within t...
Báo cáo khoa học: "Using Parse Features for Preposition Selection and Error Detection" ppt
... well-formed text and
learner text?
We recreate a state-of-the-art preposition usage
system (Tetreault and Chodorow (2008), hence-
forth T&C08) originally trained with lexical fea-
tures and ... tree
and dependency triples returned by the Stanford
parser for this phrase.
3.1 Baseline System
The work of Chodorow et al. (2007) and T&C08
treat the tasks of preposition selectio...
Báo cáo khoa học: "Hierarchical Reinforcement Learning and Hidden Markov Models for Task-Oriented Natural Language Generation" ppt
... consis-
tency (Halliday and Hasan, 1976), and variation,
which influence people’s assessment of discourse
(Levelt and Kelter, 1982) and generated output (Belz
and Reiter, 2006; Foster and Oberlander, 2006).
Also, ... Halliday and Hasan, 1976) on
the one hand, and variation (to improve text quality
and readability) on the other hand (Belz and Reiter,
2006; Foster and Oberl...
Báo cáo khoa học: "Heterogeneous Transfer Learning for Image Clustering via the Social Web" docx
... al.,
2007; Arnold et al., 2007; Chan and Ng, 2007;
Daume, 2007; Jiang and Zhai, 2007; Reichart
and Rappoport, 2007; Andreevskaia and Bergler,
2008), multi-task learning (Caruana, 1997; Re-
ichart ... cross-feature-space learning. Wu
and Oard (2008) proposed to handle the cross-
language learning problem by translating the data
into a same language and applying kNN on the
late...
Báo cáo khoa học: "Structural Correspondence Learning for Parse Disambiguation" pot
... ingredient for SCL,
and they should align well with the NLP task. For
PoS tagging and Sentiment Analysis, features on
the word level are intuitively well-related to the
problem at hand. For the ... the
datasets (Dredze et al., 2007) and a bug in their
system (Shimizu and Nakagawa, 2007), their re-
sults are inconclusive.
1
Thus, the effectiveness of
SCL is rather unexplored...
Báo cáo khoa học: "Semi-supervised Learning for Automatic Prosodic Event Detection Using Co-training Algorithm" doc
... decision trees,
combined with a bigram model of accent and
boundary patterns. Their method achieved an
accuracy of 84% for accent, 71% for IPB, and
84% for break index detection at the syllable
level. ... sam-
ples added for the first 20 iterations, and the av-
erage labeling error rate of those samples for the
self-labeled positive and negative classes for two
methods. T...
Báo cáo khoa học: "Weakly Supervised Learning for Hedge Classification in Scientific Literature" pot
... and Cohen’s Kappa (κ) were then used to
quantify the level of agreement. For brevity we refer
the reader to (Artstein and Poesio, 2005) and (Hripc-
sak and Rothschild, 2004) for formulation and ... single-view,
where the former generate multiple redundant (or
semi-redundant) ‘views’ of a data sample and per-
form mutual bootstrapping. This idea was for-
malised by Blum and...
Từ khóa: