Skip to search form
Skip to main content
Skip to account menu
Semantic Scholar
Semantic Scholar's Logo
Search 218,286,836 papers from all fields of science
Search
Sign In
Create Free Account
4D Programming Language
Known as:
4D (Software)
, 4D Software
, 4th Dimension (Software)
4D (4th Dimension, or Silver Surfer, as it was known during early development) is a relational database management system and IDE developed by…
Expand
Wikipedia
(opens in a new tab)
Create Alert
Alert
Related topics
Related topics
21 relations
C++
Comparison of relational database management systems
Compiler
Database server
Expand
Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2018
Highly Cited
2018
Filtered OFDM Systems, Algorithms, and Performance Analysis for 5G and Beyond
Lei Zhang
,
A. Ijaz
,
P. Xiao
,
M. Molu
,
R. Tafazolli
IEEE Transactions on Communications
2018
Corpus ID: 3935254
Filtered orthogonal frequency division multiplexing (F-OFDM) system is a promising waveform for 5G and beyond to enable the multi…
Expand
Highly Cited
2012
Highly Cited
2012
The science of European marine reserves: Status, efficacy, and future needs
Phillip B. Fenberg
,
J. Caselle
,
+13 authors
T. K. Sørensen
2012
Corpus ID: 14071279
Highly Cited
2009
Highly Cited
2009
Interaction diagram methodology for design of FRP-confined reinforced concrete columns
S. Rocca
,
N. Galati
,
A. Nanni
,
A. Nanni
2009
Corpus ID: 41730195
2008
2008
Biometrie a identita člověka - ve forenzních a komerčních aplikacích
Roman Rak
,
Václav Matyáš
,
+9 authors
Halina Šimková
2008
Corpus ID: 191310625
Dostava se vam do rukou zcela jedinecna a neopakovatelna kniha, jejiž mezinarodni kolektiv autorů je smisený z řad vysokoskolsk…
Expand
Review
2007
Review
2007
Justification of ACI 446 Proposal for Updating ACI Code Provisions for Shear Design of Reinforced Concrete Beams
Z. Bažant
,
Qiang Yu
,
W. Gerstle
,
J. Hanson
,
J. W. Ju
2007
Corpus ID: 14248585
In order to ensure adequate safety margins, the size effect for designing reinforced concrete beams against shear failure must be…
Expand
Highly Cited
2006
Highly Cited
2006
The Next Generation of Coupling Beams
P. J. Fortney
2006
Corpus ID: 121919688
A collection of experimental, parametric, and analytical studies was carried out to further the understanding of the behavior and…
Expand
Highly Cited
2004
Highly Cited
2004
Effect of Confinement Using Fiber-Reinforced Polymer or Fiber-Reinforced Concrete on Seismic Performance of Gravity Load-Designed Columns
M. Harajli
2004
Corpus ID: 138373805
*ACI, 2001, 440101 ACI; *ACI, 1982, 5441R82 ACI; *ACI ASCE, 1991, 352R91 ACI ASCE; *ACI INN TASK GROU, 1999, ACC CRIT MOM FRAM BA…
Expand
Highly Cited
2003
Highly Cited
2003
Comparing AMR and SPH Cosmological Simulations. I. Dark Matter and Adiabatic Simulations
B. O’Shea
,
K. Nagamine
,
V. Springel
,
L. Hernquist
,
M. Norman
2003
Corpus ID: 17643902
We compare two cosmological hydrodynamic simulation codes in the context of hierarchical galaxy formation: the Lagrangian…
Expand
Highly Cited
2002
Highly Cited
2002
PAPR reduction using soft clipping and ACI rejection in OFDM system
H. Ryu
,
Byoung-Ii Jin
,
In-Bae Kim
IEEE Trans. Consumer Electron.
2002
Corpus ID: 206630641
OFDM (orthogonal frequency division multiplexing) is usefully applied for DAB (digital audio broadcasting) and DVB (digital video…
Expand
Highly Cited
1994
Highly Cited
1994
STRENGTH AND DUCTILITY OF CONCRETE COLUMNS EXTERNALLY REINFORCED WITH FIBER COMPOSITE STRAPS
H. Saadatmanesh
,
M. Ehsani
,
M. Li
1994
Corpus ID: 91182224
Bridge failures in recent earthquakes such as the 1989 Loma Prieta earthquake have attracted the attention of the bridge…
Expand
By clicking accept or continuing to use the site, you agree to the terms outlined in our
Privacy Policy
(opens in a new tab)
,
Terms of Service
(opens in a new tab)
, and
Dataset License
(opens in a new tab)
ACCEPT & CONTINUE