fine grained class label markup of search queries
Tài liệu Báo cáo khoa học: "Fine-Grained Class Label Markup of Search Queries" pdf
Ngày tải lên :
20/02/2014, 04:20
... Association for Computational Linguistics
Fine- Grained Class Label Markup of Search Queries
Joseph Reisinger
∗
Department of Computer Sciences
The University of Texas at Austin
Austin, Texas 78712
joeraii@cs.utexas.edu
Marius ... valid parse.
3.2 Class- Label PCFG
In addition to the observed class- label production
rules, CLC incorporates two sets of latent produc-
tion rules coupled via an HDP (Figure 1). Class
label query ... importance of each label for
a given entity. However, details of their implemen-
tation were not publicly available, as of publication
of this paper.
For simplicity, we extract class labels using...
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Tài liệu Báo cáo khoa học: "Generating Fine-Grained Reviews of Songs From Album Reviews" doc
Ngày tải lên :
20/02/2014, 04:20
... summaries of reviews of
individual songs. We present an intrinsic
evaluation of the extraction components,
and of the informativeness of the sum-
maries; and a user study of the impact of
the song ... frequency of
the j
th
sense of a
i
as given by Wordnet, and pos
j
is the positive score of the j
th
sense of a
i
, as given
by SentiWordnet. Figure 7 shows an example of
calculating the polarity of ... extension of WordNet where each sense
of a word is augmented with the probability of
that sense being positive, negative or neutral. The
overall sentence score is based on the scores of the
adjectives...
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Tài liệu Báo cáo khoa học: "Learning the Fine-Grained Information Status of Discourse Entities" pptx
Ngày tải lên :
22/02/2014, 03:20
... remains poor: an F-
score of 46.5% was achieved.
Our goal in this paper is to investigate fine-
grained IS determination, the task of classifying
a discourse entity as one of the 16 IS subtypes
defined ... features to learn Nissim’s
3 -class IS determination task, the resulting classi-
fier achieves an accuracy of 91.7%, surpassing the
classifier trained on R&N’s state -of- the-art fea-
ture set by ... we conduct another experiment in which we
train five classifiers, each of which employs ex-
actly one type of features. The accuracies of these
classifiers are shown in Table 5. As we can see,
the...
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Báo cáo khoa học: "Semantic Tagging of Web Search Queries" ppt
Ngày tải lên :
08/03/2014, 00:20
... sequence of words. A web search
query, however, is often formulated by a user as a
bag of keywords. For example, if a user is look-
861
We mentioned that one of the motivations of
parsing search queries ... the queries are already classified into
the correct domain and investigate the problem of
semantic tagging at the word level, which is to
assign a label from a set of pre-defined semantic
labels ... IJCNLP of the AFNLP, pages 861–869,
Suntec, Singapore, 2-7 August 2009.
c
2009 ACL and AFNLP
Semantic Tagging of Web Search Queries
Mehdi Manshadi
Xiao Li
University of Rochester
Microsoft...
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Báo cáo khoa học: "A Probabilistic Model for Fine-Grained Expert Search" pptx
Ngày tải lên :
08/03/2014, 01:20
... proposal of fine- grained expert search,
which we believe to be a promising direc-
tion for exploring subtle aspects of evidence.
2. The proposal of probabilistic model for fine-
grained expert search. ... propos-
ing a probabilistic model for fine- grained expert
search. In fine- grained expert search, we are to
extract and use evidence of expert search (usually
blocks of documents) directly. Thus, the ... expert search using
a fine- grained level of evidence. Specifically,
quadruple evidence was formally defined and
served as the basis of the proposed model. Differ-
ent implementations of evidence...
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Báo cáo khoa học: "Search in the Lost Sense of “Query”: Question Formulation in Web Search Queries and its Temporal Change" pptx
Ngày tải lên :
17/03/2014, 00:20
... incoming queries represented in S
all
. On av-
erage, Q -queries account for 1.8% of query traffic.
5.7% of all unique queries are Q -queries, indicating
greater diversity in Q -queries.
What types of ... question -queries over time?
We perform a systematic study of question-
queries in web search. We find that question -queries
account for ∼ 2% of all the query traffic and ∼ 6%
of all unique queries. ... systems, and
web users often exclude them from queries. A high
fraction of function words is a signal of queries be-
having more like normal texts in terms of the amount
of tokens “spent” to be...
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37 triển khai fine grained password policies
Ngày tải lên :
15/01/2014, 16:22
... làm như thế nào.
Tính năng Fine- Grained Password Policies trong Windows Server 2008 sẽ gúp bạn làm điều đó. Hôm nay, nhóc sẽ
hướng dẫn các bạn từng bước để làm Fine- Grained Password Policies. ... hình báo lỗi sẽ
hiện ra, ((tại vì hồi nãy bạn set pass tối thiểu phải là 5 ký tự)
Triển Khai Fine- Grained Password Policies trong Windows Server 2008
I) Giới Thiệu:
Như các bạn đã biết trong ... cho sep, CN=Password Settings Container,CN=System,DC=bachkhoa-npower,DC=vn
changetype: add
objectClass: msDS-PasswordSettings
msDS-MaximumPasswordAge:-1728000000000
msDS-MinimumPasswordAge:-864000000000
msDS-MinimumPasswordLength:5
msDS-PasswordHistoryLength:0
msDS-PasswordComplexityEnabled:FALSE
msDS-PasswordReversibleEncryptionEnabled:FALSE
msDS-LockoutObservationWindow:-18000000000
msDS-LockoutDuration:-18000000000
msDS-LockoutThreshold:3
msDS-PasswordSettingsPrecedence:1
msDS-PSOAppliesTo:CN=sep,CN=Users,DC=bachkhoa-npower,...
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Tài liệu Báo cáo khóa học: TbPDE1, a novel class I phosphodiesterase of Trypanosoma brucei pdf
Ngày tải lên :
19/02/2014, 12:20
... within this class. The amino acid
sequence of its catalytic domain is approximately equidis-
tant from those of all mammalian class I PDEs, the class I
PDEs dunce of D. melanogaster,regAofD. discoideum ... identified to
date, all of which belong to the class I PDEs. Pharmaco-
logically, they have become of great interest as targets for the
development of drugs for a large variety of clinical condi-
tions. ... demonstrated the
presence of two divalent cations in the active centre. In
addition to the continuous presence of Mg
2+
, inclusion of
low concentrations of detergent, 0.1% (v/v) of Tween-20,
further...
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Tài liệu Báo cáo khoa học: "Fine-grained Tree-to-String Translation Rule Extraction" docx
Ngày tải lên :
20/02/2014, 04:20
... shape (e.g., it
can be of any depth). We however use a simplified
form of TFS, for simplicity of the algorithms. In
the simplified form, a TFS is converted to a (flat)
set of pairs of feature names and ... syntactic information of an English sentence,
which includes a fine -grained description of the
syntactic property and a semantic representation
of the sentence. We extract fine -grained trans-
lation ... {X
m
}of the two
glue rules described in (Chiang, 2007).
The string-to-tree decoder searches for the op-
timal derivation d
∗
that parses a Japanese string
F into a packed forest of the set of all...
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Lookup Tables: Fine-Grained Partitioning for Distributed Databases pot
Ngày tải lên :
07/03/2014, 14:20
... tree classi-
fiers to generate a rough range partitioning of the data. To
train the classifier, we supply a sample of tuples, labeled
with their partitions. The classifier then produces a set of
intervals ... datasets.
B. Cost of Distributed Queries
Since the primary benefit of lookup tables is to reduce the
number of distributed queries and transactions, we begin by
examining the cost of distributed queries ... relies on expensive broadcast queries
when a tuple is not found. This happens for the following
classes of queries:
• Queries for keys that do not exist. These queries are rare
for most applications,...
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Báo cáo khoa học: "SEHANTICS OF TEHPORAL QUERIES AND TEHPORAL DATA" pot
Ngày tải lên :
17/03/2014, 19:21
... times of occurrence.
nextof(E,
T, D) -
asserts that D is the next time of
occurrence of event E after time T.
nextof(E, T, D):- tlmeof(E, D) , before(T, D),
not (tlmeof (E, X), before (T, X), ...
startof(5, D) - defines the tlme when a situation or
process stage begins to be true, based on the
occurrence of the event that triggers IL Rules of
this sort are part of the knowledge base of ...
support queries of this
type.
The second type of query asks about the
state -of- the-world on a given date (Query 4) or
during an interval of time (Query 5). Understanding
and answering these queries...
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Báo cáo khoa học: Revisiting the 13C-label distribution of the non-oxidative branch of the pentose phosphate pathway based upon kinetic and genetic evidence doc
Ngày tải lên :
23/03/2014, 15:21
... simulated
13
C -label distributions for a chosen set of metabolic
fluxes to the measured
13
C -label distributions [7].
Apart from MFA, the information richness of
13
C-labeling data also permits verification of ... of the PPP.
Traditional vs. half-reactions: implications for
13
C-labeling
From a labeling point of view, the main difference
between modeling the stoichiometry of the nonoxida-
tive branch of ... segregated pools, the
13
C labeling of the C
2
and
C
3
fragments (and, consequently, the labeling of the
metabolites formed from these) can differ from the
13
C
labeling of the single C
2
and C
3
fragment...
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Where is the energy spent inside my app? Fine Grained Energy Accounting on Smartphones with Eprof pot
Ngày tải lên :
29/03/2014, 14:20
... fraction of the I/O energy.
CPU consumes a small fraction of the app energy, most of
which is spent in building up the GUI of the app. The second
column of Table 5 shows that most apps spend 50-90% of
their ... 30-second run of the browser for
one dominant usage: Google search, where th e user opens
the b rowser, performs a Google search over 3G, and closes
Where is the energy spent inside my app?
Fine Grained ... performing a Google
search (§7.2), there are two overlapping I/O lumps, o ne of
3G consisting of network con nects and sends by the http
threads, a nd the other of GPS consisting of GPS start/stop.
We...
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Báo cáo khoa học: "Collective Classification for Fine-grained Information Status" ppt
Ngày tải lên :
30/03/2014, 17:20
... presence
of adjectives or adverbs in the comparative. Finally,
we include the mention’s semantic class as one of 12
coarse -grained classes, including location, organisa-
tion, person and several classes ... extraction of semantic class, we use
OntoNotes entity type annotation for proper names
and an automatic assignment of semantic class via
WordNet hypernyms for common nouns.
Coarse -grained versions of ... be able to
use the multiclass dependencies of the relational fea-
tures to optimum effect.
5.4 Results
Table 7 shows the comparison of collective classifi-
cation to local classification, using N...
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Báo cáo khoa học: "Fine-grained Genre Classification using Structural Learning Algorithms" doc
Ngày tải lên :
30/03/2014, 21:20
... based on Genre Labels. We
can also use the labels/names of the genre nodes
as the unit of frequency estimation. Then, the
frequency of a genre node is the occurrence fre-
quency of its label in a ... UK
scskm@leeds.ac.uk
Serge Sharoff
Centre for Translation Studies
University of Leeds, UK
s.sharoff@leeds.ac.uk
Abstract
Prior use of machine learning in genre
classification used a list of labels as clas-
sification ... However, genre
classes are often organised into hierar-
chies, e.g., covering the subgenres of fic-
tion. In this paper we present a method
of using the hierarchy of labels to improve
the classification...
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