Mathematical models in isotope hydrogeology iaea
Mathematical models in isotope hydrogeology iaea
... Applicability
of the
models
In
principle,
the
distribution
of
flow
lines
within
the
investigated
system
in not
considered
in the
lumped-parameter
approach.
However,
in the
interpretation
... weighting
functions
for DM in the
flux
mode
are
shown
in
Fig.
3.
Weighting
functions
in
real
time
are
obtainable
in the
same
way as
described
above
fo...
Tài liệu OCCASIONAL PAPER SERIES NO 64 / JULY 2007: THE USE OF PORTFOLIO CREDIT RISK MODELS IN CENTRAL BANKS doc
... distributed. Reduced form
models are preferred for pricing and hedging credit
derivatives.
3 CREDIT
RISK MODELS
14
ECB
Occasional Paper No 64
July 2007
As a result, investors, including central banks, ... YIELDS/SPREADS
The final parameter, which is only needed in
migration mode, is the (forward) spread in
yields or (zero-coupon) interest rates. This
determines the mark to marke...
Tài liệu Implementing Models in Quantitative Finance: Methods and Cases docx
... with a single barrier option,
then choosing an appropriate working domain is crucial for determining the accuracy
of the numerical solution. If we are interested in finding a solution in the interval
(z
−1
,z
1
), ... Changing the Time Origin
In financial application, PDEs are usually characterized by a terminal condition ex-
pressing the security payoff. In physics, it is more natural...
Tài liệu Báo cáo khoa học: "Mixing Multiple Translation Models in Statistical Machine Translation" docx
... available
in very limited domains and building bilingual re-
sources in a new domain is usually very expensive.
It is an interesting question whether a model that is
trained on an existing large bilingual ... concate-
nation baseline. In particular, Switching:Max could
gain up to 2.2 BLEU points over the concatenation
baseline and 0.39 BLEU points over the best per-
forming baseline (i....
Tài liệu Báo cáo khoa học: "Using Automatically Transcribed Dialogs to Learn User Models in a Spoken Dialog System" doc
... distributions
in our model are multinomials. Hence θ is a vec-
tor that parameterizes the user model according to
Pr(A
t
= a | S
t
= s, U
t
= u; θ) = θ
asu
.
The problem we are interested in is estimating ... model was esti-
mated by transcribing 50 randomly chosen dialogs
from the training set in Section 4.2 and calculat-
ing the frequency with which the ASR engine rec-
ognized
˜
A
t
s...
Tài liệu OPTIMAL CONTROL MODELS IN FINANCE pdf
... outstanding)
Control variables
= retention rate which describes the fraction of earnings retained for in-
creasing the capital assets
= stock financing rate concerning new money invested in the ... financing model (Davis and Elzinga
[22, 1970]) has been used since it is one of the well known and pioneering
models on optimal control in finance. Some other recent work in this area
inc...
DERMAL ABSORPTION MODELS IN TOXICOLOGY AND PHARMACOLOGY doc
... that contains a protein, involucrin. This protein is synthesized
in the stratum spinosum and cross-linked in the stratum granulosum by an enzyme
that makes it highly stable. Involucrin provides ... classified into apocrine or eccrine (merocrine). In domestic ani-
mals, the apocrine gland is extensively developed and found throughout most of the
skin. However, in humans it is found only...
Báo cáo khoa học: "The use of formal language models in the typology of the morphology of Amerindian languages" potx
... markation active-inactive
on the verbal prefixes (Messineo, 2003; Klein,
1978). There are in this language two sets or ver-
bal prefixes that mark action:
1. Class I (In) :codifies inactive participants, ... suc-
cessful. In the ambit that we are studying we can
think that if a word is a string of prefixes, a stem
and suffixes, one automata head will read will the
prefixes and the other the suf...
Báo cáo khoa học: "Enhancing Language Models in Statistical Machine Translation with Backward N-grams and Mutual Information Triggers" ppt
... looking at the
succeeding context according to
P
b
(w
m
1
) =
m
i=1
P (w
i
|w
m
i+1
) ≈
m
i=1
P (w
i
|w
i+n−1
i+1
) (2)
3.1 Training
For the convenience of training, we invert the or-
der in ... the BLM during decoding (rather than after de-
coding) where source sentences are still proceeded
from the beginning to the ending.
Rosenfeld et al. (1994) introduce trigger pairs
into a maximum...
Báo cáo khoa học: "Improving On-line Handwritten Recognition using Translation Models in Multimodal Interactive Machine Translation" docx
... IBM1 and IBM2 models,
and inverse IBM1-inv and IBM2-inv models with
the inverse dictionary from Eq. 9.
However, a more interesting set up than using lan-
guage models or translation models alone ... Linguistics
Improving On-line Handwritten Recognition using Translation Models
in Multimodal Interactive Machine Translation
Vicent Alabau, Alberto Sanchis, Francisco Casacuberta
Insti...
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