... in nature to a data manager which fails to free
data, but is easier to detect and prevent.
• Data manager changes data. A malicious data manager may change the value of its data on each cache
refresh. ... design of Mach owes a great deal to a previous system developed at CMU called Accent [15]. A central
feature of Accent was the integration of virtual memory and communication. Large amounts of data ... data. It is usually made
in response to a pager_data_request call made to the data manager by the kernel.
Typical data managers will only provide data upon demand (when processing pager_data_request...
... random 'back-off' times and no guarantee of performance. Token passing, although
slower, generally 1 to 2 Mbaud has guaranteed performance, and is generally cheaper. The maximum
transmission ... (b). Baseband transmission
COMMUNICATION
PLC COMMUNICATIONS IN A
PROCESS CONTROL SYSTEM
by GR MacKenzie, AEG
Communication has become a major part of any process control automation system. Today ... resistance of the medium to contamination of the transmitted data
• relative cost: based on costs of computers, installation, and maintenance.
Transmission media or channels have the following transmission...
... object-relational
database system Illustra [I11941 provides database support for
time-series data along with relational data. A time-series is
an ADT(Abstract Data Type) value implemented a& amp; a large ... value is created, or determined automatically
by the system.
Catalog Management:
Each E-ADT can provide catalogs
that maintain statistics and store schema information. Further,
certain values ... PREDATOR system (of which SEQ
is a component) supports relational data as well as sequence data,
using a novel design paradigm of enhanced abstract data types (B-
ADTs ). The system implementation...
... transfer-based MT system, actual trans-
lation takes place in transfer and can be descri-
bed as the ocr~putaticnal manipulation of tree
structures. In the absenoe of any formal theory of
translation ... This software
tool not only allows for the separation of data
and algorithms but also provides great flexibility
in the organization of grammars and subgrammars,
and in the control of the ... ~;Tp~oach
does not make any claim to linguistic generaliza-
bility for purposes other than the translation of
this particular sublanguage.
4.1 Ccmputational considerations
In a transfer-based...
... issues are also raised
in (Zhao and Wang, 2010) about using automatic
metrics: paraphrase changes less gets larger BLEU
score and the evaluations of paraphrase quality and
rate tend to be incompatible.
To ... re-
lies on as the corpus is not readily available (Zhao et
al., 2010).
In contrast, bilingual parallel data is in abundance
and has been used in extracting paraphrase (Ban-
nard and Callison-Burch, ... and William B. Dolan. 2011. Collecting
highly parallel data for paraphrase evaluation. In ACL,
pages 190–200.
David Chiang. 2007. Hierarchical phrase-based transla-
tion. Computational Linguistics,...
... First, land cover data are
obtained through analysis of aerial photographs. This reveals forested as well as open grassy areas and
also water surface; it also reveals impervious surfaces in parks—roadways, ... D.C.’s Parks
Value of properties within 500 feet of parks
Assumed average value ofa park
Value of properties attributed to parks
Effective annual residential tax rate
Annual property tax capture ... to park-based
social capital.
Philadelphia Department of Parks and Recreation
11
Reducing the Cost of Managing
Urban Stormwater
Stormwater runoff is a significant problem in urban areas. When...
... E
2
are locally asymptotically
stable and E
3
is a saddle. There
exists the global stable manifold
W
s
(E
3
) that separates the
positive quadrant so that all
orbits below this manifold are
attracted ... There
exists a continuous increasing
curve
W
E
which is a subset of
basin of attraction of E. All orbits
that start below this curve are
attracted to (+∞, 0). All orbits
that start above this curve are
attracted ... formula for the global stable manifold.
Mathematics Subject Classification (2000)
Primary: 3 9A1 0, 3 9A1 1 Secondary: 37E99, 37D10
Keywords: Basin of attraction, Competitive map, Global stable manifold,...
... quasilinear equations of parabolic type. Translation of
Mathematical Monographs. American Mathematical Society, Providence. 23 (1968)
15. Friedman, A: Partial Differential Equations of Parabolic Type. ... quasilinear degenerate parabolic
systems. Problems of this form arise in a number of areas of science. For instance, in
models for gas or fluid flow in porous media [1-3] and for the spread of certain ... 11
RESEA R C H Open Access
Local existence and uniqueness of solutions
of a degenerate parabolic system
Dazhi Zhang, Jiebao Sun
*
and Boying Wu
* Correspondence: sunjiebao@126.
com
Department of Mathematics,
Harbin...