1,351 research outputs found
A Multi-task Learning Approach for Improving Product Title Compression with User Search Log Data
It is a challenging and practical research problem to obtain effective
compression of lengthy product titles for E-commerce. This is particularly
important as more and more users browse mobile E-commerce apps and more
merchants make the original product titles redundant and lengthy for Search
Engine Optimization. Traditional text summarization approaches often require a
large amount of preprocessing costs and do not capture the important issue of
conversion rate in E-commerce. This paper proposes a novel multi-task learning
approach for improving product title compression with user search log data. In
particular, a pointer network-based sequence-to-sequence approach is utilized
for title compression with an attentive mechanism as an extractive method and
an attentive encoder-decoder approach is utilized for generating user search
queries. The encoding parameters (i.e., semantic embedding of original titles)
are shared among the two tasks and the attention distributions are jointly
optimized. An extensive set of experiments with both human annotated data and
online deployment demonstrate the advantage of the proposed research for both
compression qualities and online business values.Comment: 8 Pages, accepted at AAAI 201
Production rates for hadrons, pentaquarks and , and di-baryon in relativistic heavy ion collisions by a quark combination model
The hadron production in relativistic heavy ion collisions is well described
by the quark combination model. The mixed ratios for various hadrons and the
transverse momentum spectra for long-life hadrons are predicted and agree with
recent RHIC data. The production rates for the pentaquarks , and the di-baryon are estimated, neglecting
the effect from the transition amplitude for constituent quarks to form an
exotic state.Comment: The difference between our model and other combination models is
clarified. The scaled transverse momentum spectra for pions, kaons and
protoms at both 130 AGeV and 200 AGeV are given, replacing the previous
results in transverse momentum spectr
Dichlorido(4′-ferrocenyl-2,2′:6′,2′′-terpyridine-κ3 N,N′,N′′)zinc acetonitrile monosolvate
The title complex, [FeZn(C5H5)Cl2(C20H14N3)]·CH3CN, is composed of one ZnII atom, one 4′-ferrocenyl-2,2′:6′,2′′-terpyridine (fctpy) ligand, two Cl atoms and one acetonitrile solvent molecule. The ZnII atom is five-coordinated in a trigonal–bipyramidal geometry by the tridentate chelating fctpy ligand and two Cl atoms
A multi-phase flow model for electrospinning process
An electrospinning process is a multi-phase and multi-physicical process with
flow, electric and magnetic fields coupled together. This paper deals with
establishing a multi-phase model for numerical study and explains how to
prepare for nanofibers and nanoporous materials. The model provides with a
powerful tool to controlling over electrospinning parameters such as voltage,
flow rate, and others
1-(2-Naphthyl)-3-phenylprop-2-en-1-one
The title compound, C19H14O, contains two independent molecules with the same s-cis conformation for the ketone unit. Both molecules are non-planar with dihedral angles of 51.9 (1) and 48.0 (1)° between the benzene ring and the naphthalene ring system. In the crystal, neighboring molecules are stabilized by intermolecular C—H⋯π interactions, giving a two-dimensional supramolecular array parallel to the ab plane
(4′-Ferrocenyl-2,2′:6′,2′′-terpyridine-κ3 N 1,N 1′,N 1′′)(1,10-phenanthroline-κ2 N,N′)zinc(II) bis(perchlorate) acetonitrile monosolvate
In the title complex, [FeZn(C5H5)(C20H14N3)(C12H8N2)](ClO4)2·CH3CN, the ZnII atom is five-coordinated by a tridentate chelating 4′-ferrocenyl-2,2′:6′,2′′-terpyridine (fctpy) ligand and a bidentate chelating 1,10-phenanthroline (phen) ligand in a distorted square-pyramidal environment with a phen N atom located at the apical position [Zn—N = 2.259 (4) Å]. The terpyridyl motif in each fctpy ligand is coplanar, but the cyclopentadienyl ring is twisted by 9.5 (2)° out of coplanarity with each central pyridine. The two cyclopentadienyl rings of the ferrocenyl group are almost eclipsed with a deviation of 4.5 (1)°. In addition, intermolecular π–π interactions [centroid–centroid distance 3.753 (2) Å] are present between the cyclopentadienyl and outer pyridyl rings of the fctpy ligands. One of the perchlorate anions is equally disordered over two positions
Phase selection rule of high-entropy metallic glasses with different short-to-medium-range orders
The linear and nonlinear inverse Compton scattering between microwaves and electrons in a resonant cavity
In a free space, the Sunyaev-Zel'dovich (SZ) effect is a small spectral
distortion of the cosmic microwave background (CMB) spectrum caused by inverse
Compton scattering of microwave background photons from energetic electrons in
the plasma. However, the microwave does not propagate with a plane waveform in
a resonant cavity, the inverse Compton scattering process is a little different
from that in a free space. By taking the Fourier expansion of the microwave
field in the cavity, the coefficients of the first-order and the higher-order
terms describe the local-space effect on the linear and nonlinear inverse
Compton scattering respectively. With our theoretical results, the linear or
nonlinear inverse Compton scattering cross section between microwave photons
and electrons has important applications on the energy calibration of the
extremely energetic electron beam, the sources of the terahertz waves, the
extreme ultra-violet (EUV) waves or the mid-infrared beams.Comment: 8 pages, 5 figure
Synergistic Effect of Ferulic Acid and Z-Ligustilide, Major Components of A. sinensis
Angelica sinensis has been used to attenuate cold-induced cutaneous vasospasm syndrome, such as Raynaud’s disease and frostbite, in China for many years. Ferulic acid (PubChem CID: 445858) and Z-ligustilide (PubChem CID: 529865), two major components extracted from Angelica sinensis, had been reported to inhibit vasoconstriction induced by vasoconstrictors. In this study, the pharmacological interaction in regulating cold-induced vascular smooth muscle cell contraction via cold-sensing protein TRPM8 and TRPA1 was analyzed between ferulic acid and Z-ligustilide. Pharmacological interaction on inhibiting [Ca2+]i influx evoked by TRPM8 agonist WS-12 or TRPA1 agonist ASP 7663 as well as cold-induced upregulation of TRPM8 was determined using isobolographic analysis. The isobolograms demonstrated that the combinations investigated in this study produced a synergistic interaction. Combination effect of two components in inhibiting RhoA activation and phosphorylation of MLC20 induced by WS-12 or ASP 7663 was also being quantified. These findings suggest that the therapeutic effect of Angelica sinensis on cold-induced vasospasm may be partially attributed to combinational effect, via TRPM8 and TPRA1 way, between ferulic acid and Z-ligustilide
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