Báo cáo khoa học: "Minimum Bayes Risk Decoding for BLEU" pptx
Báo cáo khoa học: "Minimum Bayes Risk Decoding for BLEU" pptx
... focus on the performance
of MBR decoding for the BLEU score on various
translation tasks.
3 Implementation of Minimum Bayes Risk
Decoding for the BLEU Score
3.1 Bayes Decision Rule
In statistical ... Association for Computational Linguistics
Minimum Bayes Risk Decoding for BLEU
Nicola Ehling and Richard Zens and Hermann Ney
Human Language Technology and Pattern Recogni...
Báo cáo khoa học: "Minimum Bayes-risk System Combination" pptx
... Performance from best single system max-
derivation decoding (Best MAX), the best single system
minimum Bayes risk decoding (Best MBR) and mini-
mum Bayes risk system combination (MBR-SC) combin-
ing ... Spain
{ajuan,fcn}@dsic.upv.es
Abstract
We present minimum Bayes- risk system com-
bination, a method that integrates consen-
sus decoding and system combination into
a unified...
Báo cáo khoa học: "Efficient Staggered Decoding for Sequence Labeling" pptx
... been proposed for
speeding up decoding. Tsuruoka and Tsujii (2005)
proposed easiest-first deterministic decoding. Sid-
diqi and Moore (2005) presented the parameter ty-
ing approach for fast inference ... average
decoding speed (sentences/sec) to two significant
digits over five trials. To strictly measure the time
spent for decoding, we ignored the preprocessing
time, that is, the ti...
Báo cáo khoa học: "Cohesive Phrase-based Decoding for Statistical Machine Translation" pot
... Cohesive Decoding
This section describes a modification to standard
phrase-based decoding, so that the system is con-
strained to produce only cohesive output. This will
take the form of a check performed ... all such subtrees for a hypothetical
T and
¯
f
h
1
. Fortunately, with a little analysis that ac-
counts for
¯
f
h+1
, we can show that at most two sub-
trees need to be checked....
Báo cáo khoa học: "Efficient Minimum Error Rate Training and Minimum Bayes-Risk Decoding for Translation Hypergraphs and Lattices" pptx
... no larger than the number
of edges in the transformed hypergraph.
4 Minimum Bayes- Risk Decoding
We first review Minimum Bayes- Risk (MBR) de-
coding for statistical MT. An MBR decoder seeks
the hypothesis ... can be employed to optimize pa-
rameters for MBR decoding. Our exper-
iments show speedups from MERT and
MBR as well as performance improve-
ments from MBR decoding on sev...
Báo cáo khoa học: "Minimum Risk Annealing for Training Log-Linear Models∗" doc
... combinations of models for dependency
parsing and for machine translation (§6). Finally,
we note the connections of minimum risk training
to max-margin training and minimum Bayes risk
decoding (§7), ... polynomial-time algorithm for even approx-
imating (2) to within any constant factor, even
for K
i
= 2 (Hoffgen et al., 1995, from Theo-
rem 4.10.4).
1
The same is true for f...
Tài liệu Báo cáo khoa học: "Minimum Cut Model for Spoken Lecture Segmentation" ppt
... three lectures is-
used for estimating the optimal word block length
for representing nodes, the threshold distances for
discarding node edges, the number of uniform
chunks for estimating tf-idf ... we have compiled
for this study,
1
and the remaining set includes a
standard collection previously used for evaluation
of segmentation algorithms. Various corpus statis-
tics for the...
Báo cáo khoa học: "Iterative Viterbi A* Algorithm for K-Best Sequential Decoding" docx
... which
maximizes the score of f(y, x) for perceptron or the
probability of p(y|x) for CRFs. As Z(x) is a con-
stant for any given input sequence x, the decoding
for perceptron or CRFs is identical, ... T L for both best
and worst cases, with the first term accounting for
Viterbi forward pass and the second term account-
ing for A* backward process. The bottleneck is thus
at the...
Báo cáo khoa học: "Forest Rescoring: Faster Decoding with Integrated Language Models ∗" doc
... the future for the hyperedge
e. Indeed, if cand contains items from multiple hy-
peredges for a single consequent node, this is still a
valid lower bound. More formally:
Lemma 1. For each node ... binarize each hyperedge in
the forest on the target projection (Huang, 2007).
All the three +LM decoding methods to be com-
pared below take these binarized forests as input. For
cube grow...
Báo cáo khoa học: "Fast and Scalable Decoding with Language Model Look-Ahead for Phrase-based Statistical Machine Translation" potx
... fac-
tors for Moses and our decoder. The phrase table
is pruned to a maximum of 400 target candidates per
source phrase before decoding. The phrase table and
LM are loaded into memory before translating ... data, the top per-
formance is similar for both decoders. However, if
we allow for a small degradation in translation per-
formance, our approaches clearly outperform Moses
in terms...
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