Báo cáo khoa học: "Orthogonal Negation in Vector Spaces for Modelling Word-Meanings and Document Retrieval" ppt
Báo cáo khoa học: "Orthogonal Negation in Vector Spaces for Modelling Word-Meanings and Document Retrieval" ppt
... Orthogonal Negation in Vector Spaces for Modelling
Word-Meanings and Document Retrieval
Dominic Widdows
∗
Stanford University
dwiddows@csli.stanford.edu
Abstract
Standard IR systems can ... methods
for negation.
2 Negation and Disjunction in
Vector Spaces
In this section we use well-known linear algebra to
define vector negation in terms of orthogonality...
Tài liệu Báo cáo khoa học: Cold survival in freeze-intolerant insects The structure and function of b-helical antifreeze proteins pdf
... onger i soform CfAFP-501 using
the main chain of residues Thr23fiAsn90 in i soform 337 and residues
Thr54fiMet121 in CfAFP-501. (B) Overlap of isoforms 337 and 501
using the main chain of r esidues ... s tructural elements in
LpxA that loop out from individual coils and act as ligand
binding sites. SbwAFP, in contrast, is essentially a free-
standing b-helix with a C-terminal cap....
Tài liệu Báo cáo khoa học: "Text Alignment in a Tool for Translating Revised Documents" docx
... away
the situation is interpreted as involving two indepen-
dent editing operations. The window is set to 4, since
the dynamic programming approach is very fast in
recovering from local errors. ... sliding window for determining for each segment
the likelihood of it being in a sequence of aligned
text. This technique considers the correspondence
as a local phenomenon, thereby a...
Báo cáo khoa học: A simple in vivo assay for measuring the efficiency of gene length-dependent processes in yeast mRNA biogenesis doc
... Svejstrup,
F. Winston and R. Young for strains and plasmids,
and Antonio Garcı
´
a-Susperregui for strains construc-
tion. This work was supported by the Ministry of
Education and Science of Spain (grant ... obtained by crossing
FY348 and W303-ZT; further crossing of FY120 and
AGY-10A rendered all MMY11 strains. MMY9.2 was
obtained by sporulating Y24411.
All plasmids used are...
Báo cáo khoa học: "Rigid Grammars in the Associative-Commutative Lambek Calculus are not Learnable" pptx
... results from (Foret and
Nir, 2002a) and (Foret and Nir, 2002b) are
quite surprising in the light of certain gen-
eral results in learnability theory. To quote
(Kanazawa, 1998), page 159:
Placing a numerical ...
1-,
]
s
cEs
[\E]
A final thought concerns the claim in (Foret
and Nir, 2002a) and (Foret and Nir, 2002b)
that these results demonstrate the paucity of
'fiat&ap...
Báo cáo khóa học: Furanocoumarin biosynthesis in Ammi majus L. Cloning of bergaptol O-methyltransferase ppt
... OMTs.
Therefore, the inserts were subcloned into an expression
vector for the expression in E. coli, and the recombinant
polypeptides were extracted from the induced transformants
Fig. 2. Thin-layer ... lacking bergaptol and caffeic
acid, were run for control and served for background
corrections.
Linear conditions for kinetic assays were established by
adjusting the amount...
Tài liệu Báo cáo khoa học: "Automatically Extracting Polarity-Bearing Topics for Cross-Domain Sentiment Classification" pptx
... l
i
and topic z
i
for word w
i
. Finally,
feature selection is performed according to the infor-
mation gain criteria and a classifier is then trained
from the source domain using the new document
representations. ... appears more often in the
Electronics domain. Likewise, in the Book+Kitch.
set, “stainless” rarely appears in the Book domain
and “interest” does not occur often...
Tài liệu Báo cáo khoa học: "A Unified Syntactic Model for Parsing Fluent and Disfluent Speech∗" ppt
... introduce binary-branching
nonterminal projections, and fold empty categories
into nonterminal symbols in a manner similar to that
proposed by Johnson (1998b) and Klein and Man-
ning (2003). This binarization ... corpus, using the mrg annotations
in directories 2 and 3 for training, and the files
sw4004.mrg to sw4153.mrg in directory 4 for evalu-
ation, following Johnson a...
Tài liệu Báo cáo khoa học: "Semantic Classification of Noun Phrases Using Web Counts and Learning Algorithms" ppt
... interested in discovering what kinds of join-
ing phrases are most useful when trying to predict
the semantic relation, and which machine learning
algorithms perform best at the task of using ... both
with and without the definite article as separate
queries, for example for and for the”.
The joining terms used for the experiments in this
paper were chosen by examining w...
Tài liệu Báo cáo khoa học: Interaction between very-KIND Ras guanine exchange factor and microtubule-associated protein 2, and its role in dendrite growth – structure and function of the second kinase noncatalytic C-lobe domain docx
... with GST-CD2 (MAP2 v-KIND binding core).
Input (cerebellum)
GST
v-KIND KIND1
v-KIND KIND2
Spir-2 KIND
PTPN13 KIND
Input (MAP2)
GST
v-KIND KIND1
v-KIND KIND2
Spir-2 KIND
PTPN13 KIND
PD from cerebellar ... stain)
EGFP
EGFP-KIND2-1
EGFP-KIND2-2
EGFP-KIND2-3
EGFP-KIND2-4
EGFP-KIND2-5
EGFP-KIND2
EGFP-KIND1
KIND2-1
487
KIND2-2
521
KIND2-3
555
KIND2-5
589
KIND2-4
488
456 620
KIND2
v-KIND
+
+
+
–
–
I...