gebhart/patrepeval huggingface dataset:
Agent Based Adaptive Management of Non-Homogeneous Connectivity Resources (2006)

In this paper, a middleware architecture that enables transparent inter-operability between two different wireless networks is presented. In particular, access to the communication channel is maintained by adaptively switching between GPRS (General Packet Radio Service) and Bluetooth interfaces, both established automatically with the assistance of an RFID tag. The access channels are continuously monitored, allowing the device to switch to the Bluetooth interface, whenever this lower-cost alternative is available. A preliminary field trial has been set up, which has demonstrated the effectiveness of the approach in supporting seamless handover procedures within a heterogeneous network as envisioned for future wireless communications systems.
Dependency Parsing of Modern Standard Arabic with Lexical and Inflectional Features (2012)

We explore the contribution of lexical and inflectional morphology features to dependency parsing of Arabic, a morphologically rich language with complex agreement patterns. Using controlled experiments, we contrast the contribution of different part-of-speech (POS) tag sets and morphological features in two input conditions: machine-predicted condition (in which POS tags and morphological feature values are automatically assigned), and gold condition (in which their true values are known). We find that more informative (fine-grained) tag sets are useful in the gold condition, but may be detrimental in the predicted condition, where they are outperformed by simpler but more accurately predicted tag sets. We identify a set of features (definiteness, person, number, gender, and undiacritized lemma) that improve parsing quality in the predicted condition, whereas other features are more useful in gold. We are the first to show that functional features for gender and number (e.g., “broken plurals”), and optionally the related rationality (“humanness”) feature, are more helpful for parsing than form-based gender and number. We finally show that parsing quality in the predicted condition can dramatically improve by training in a combined gold+predicted condition. We experimented with two transition-based parsers, MaltParser and Easy-First Parser. Our findings are robust across parsers, models, and input conditions. This suggests that the contribution of the linguistic knowledge in the tag sets and features we identified goes beyond particular experimental settings, and may be informative for other parsers and morphologically rich languages.
A time-dependent Hamilton-Jacobi formulation of reachable sets for continuous dynamic games (2005)

We describe and implement an algorithm for computing the set of reachable states of a continuous dynamic game. The algorithm is based on a proof that the reachable set is the zero sublevel set of the viscosity solution of a particular time-dependent Hamilton-Jacobi-Isaacs partial differential equation. While alternative techniques for computing the reachable set have been proposed, the differential game formulation allows treatment of nonlinear systems with inputs and uncertain parameters. Because the time-dependent equation's solution is continuous and defined throughout the state space, methods from the level set literature can be used to generate more accurate approximations than are possible for formulations with potentially discontinuous solutions. A numerical implementation of our formulation is described and has been released on the web. Its correctness is verified through a two vehicle, three dimensional collision avoidance example for which an analytic solution is available.
Sierra/SD–Verification Test Manual - 4.58 (2020)

This document presents tests from the Sierra Structural Mechanics verification test suite. Each of these tests is run nightly with the Sierra/SD code suite and the results of the test checked versus the correct analytic result. For each of the tests presented in this document the test setup, derivation of the analytic solution, and comparison of the Sierra/SD code results to the analytic solution is provided. This document can be used to confirm that a given code capability is verified or referenced as a compilation of example problems.
A stereoscopic video see-through augmented reality system based on real-time vision-based registration (2002)

In an augmented reality system, it is required to obtain the position and orientation of the user's viewpoint in order to display the composed image while maintaining a correct registration between the real and virtual worlds. All the procedures must be done in real time. This paper proposes a method for augmented reality with a stereo vision sensor and a video see-through head-mounted display (HMD). It can synchronize the display timing between the virtual and real worlds so that the alignment error is reduced. The method calculates camera parameters from three markers in image sequences captured by a pair of stereo cameras mounted on the HMD. In addition, it estimates the real-world depth from a pair of stereo images in order to generate a composed image maintaining consistent occlusions between real and virtual objects. The depth estimation region is efficiently limited by calculating the position of the virtual object by using the camera parameters. Finally, we have developed a video see-through augmented reality system which mainly consists of a pair of stereo cameras mounted on the HMD and a standard graphics workstation. The feasibility of the system has been successfully demonstrated with experiments.
Vascular recanalization with the argon laser: The role of blood in the transmission of laser energy (1985)

Successful revascularization of stenosed arteries with the argon laser optical fiber catheter requires delivery of high-power-density energy to the lesion. Because of the high energy absorption by hemoglobin at the argon laser wavelengths, which would attenuate transmission of laser energy to the obstruction, we measured argon laser transmission through blood at different concentrations. We found that no transmission occurred through 1 mm of whole blood with hematocrit of 42 and that blood must be diluted to a hematocrit below 1 for laser energy to be delivered. Successful use of the intravascular argon laser is dependent on the creation of a transmission medium by displacement of blood by saline or other non-absorbing substance.
A posteriori compliance control (2007)

While preventative policy enforcement mechanisms can provide theoretical guarantees that policy is correctly enforced, they have limitations in practice. They are inflexible when unanticipated circumstances arise, and most are either inflexible with respect to the policies they can enforce or incapable of continuing to enforce policies on data objects as they move from one system to another. In this paper we propose an approach to enforcing policies not by preventing unauthorized use, but rather by deterring it. We believe this approach is complementary to preventative policy enforcement. We call our approach APPLE for A-Posteriori PoLicy Enforcement. We introduce APPLE Core, a logical framework for using logs to verify that actions taken by the system were authorized. A trust management system is used to ensure that data objects are provided only to users operating on auditable systems who are subject to penalty should they be found in violation. This combination of audit and accountability provides a deterence that strongly encourages trustworthy behavior, thereby allowing a high level of assurance of end-to-end policy enforcement.
MEMS magnetometers: from application specifications to the development and characterization of a prototype beyond the state of the art (2017)

Lo scopo del progetto e lo sviluppo di un magnetometro MEMS triassiale a Forza di Lorentz per applicazioni che spaziano dalla bussola alla navigazione inerziale, e capace di superare molti dei limiti dei dispositivi attualmente in commercio, fabbricati in tecnologie differenti. Lo sviluppo del magnetometro e basato sulla tecnologia ThELMA di STMicroelectronics, e pur rimanendo compatibile con la tecnologia standard, fa uso di tecniche innovative per il miglioramento delle prestazioni. L’operazione con mismatch di frequenza (off-resonance), insieme all’innovativo design di strutture multi-loop, consente un miglioramento di un fattore 30 in termini di consumo di potenza per ottenere la stessa risoluzione, ed un netto miglioramento in termini di stabilita in temperatura, anche grazie all’utilizzo di un risonatore MEMS all’interno dello stesso die. 

Un primo prototipo e stato caratterizzato con un’elettronica a componenti discreti ed un setup appositamente progettati e realizzati, dimostrando la possibilita di ottenere prestazioni comparabili ed in alcuni casi migliori dello stato dell’arte dei dispositivi commerciali. Un ulteriore passo verso la riduzione di area occupata e drift dell’offset e stato realizzato con un secondo design del magnetometro, passando da tre strutture uniassiali ad una struttura triassiale, nell’ottica di integrare il magnetometro, insieme ad un accelerometro triassiale, in un “6-axis eCompass” di dimensioni totali 2x2 mm^2.
Enhancement of the Hyperglycemic Activity of Human Growth Hormone by Enzymic Modification (1977)

Limited hydrolysis of human growth hormone with subtilisin (Novo) converted the hormone to a mixture of three modified forms: S1 S2, S3. These were two-chain modifications formed by cleavage of the peptide chain within the large disulfide loop of the hormone in the region between residues 137–149. Each of these substances was administered to dogs as a single sc injection 10 h prior to an oral glucose tolerance test. The S1 form was the most active in causing hyperglycemia and hyperinsulinemia. The S2 and S3 forms also produced diabetogenic responses but the magnitude of those effects was less than with the S1 form. Growth hormone before enzymic hydrolysis, tested at 10 times the dose used for S1, produced no abnormality in either the glucose tolerance curves or in the insulin levels. All three modified forms had excellent growth promoting activities when tested by the tibial line assay. Attempts were made to isolate the naturally occurring pituitary substance that produces glucose intolerance in dogs. An active fraction could be separated from preparations of clinical grade growth hormone. The growth hormone remaining after removal of the active material caused only slight hyperglycemia. We concluded from these studies that intact human growth hormone was only weakly hyperglycemic but when converted to a two-chain structure by subtilisin, the hormone became extremely active in producing glucose intolerance and hyperinsulinemia. The relationship of this subtilisin-cleaved material to the naturally occurring diabetogenic substance of the pituitary gland must await purification of the natural form.
Utility of intraoperative electromyography in placing C7 pedicle screws (2020)

Ideal C7 pedicle screw position strongly correlated with EMG stimulation thresholds > 15 mA. In instances, in which the screw stimulates at values between 11 and 15 mA, screw trajectory exploration is recommended. Screws with thresholds ≤ 10 mA should always be explored, and possibly repositioned or removed. In conjunction with other techniques, EMG threshold testing is a useful and safe modality in determining appropriate C7 pedicle screw placement.
Far-infrared studies of silver atoms, silver ions, and silver clusters in zeolites A and Y (1985)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTFar-infrared studies of silver atoms, silver ions, and silver clusters in zeolites A and YMark D. Baker, Geoffrey A. Ozin, and John GodberCite this: J. Phys. Chem. 1985, 89, 2, 305–311Publication Date (Print):January 1, 1985Publication History Published online1 May 2002Published inissue 1 January 1985https://pubs.acs.org/doi/10.1021/j100248a026https://doi.org/10.1021/j100248a026research-articleACS PublicationsRequest reuse permissionsArticle Views514Altmetric-Citations89LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access options Get e-Alerts
Evidence That Intramolecular Associations between Presenilin Domains Are Obligatory for Endoproteolytic Processing (1999)

Mutations in genes encoding presenilins (PS1 and PS2) cosegregate with the majority of early onset cases of familial Alzheimer's disease. PS1 and PS2 are polytopic membrane proteins that undergo endoproteolytic cleavage to generate stable NH2- and COOH-terminal derivatives (NTF and CTF, respectively). Several lines of evidence suggest that the endoproteolytic derivatives are likely the functional units of PS in vivo. In the present report, we examine the disposition of PS NTF and CTF assemblies in stable mouse N2a neuroblastoma cell lines expressing human PS polypeptides. We show that exogenous expression of PS1 NTFs neither assemble with endogenous CTF nor exhibit dominant negative inhibitory effects on the endogenous PS1 cleavage and the accumulation of derivatives. In cells co-expressing PS1 and PS2, PS1- and PS2-derived fragments do not form mixed assemblies. In contrast, cells expressing a chimeric PS1/PS2 polypeptide form stable PS1 NTF-PS2 CTF assemblies. Moreover, expression of chimeric PS1/PS2 polypeptides harboring a familial early onset AD-linked mutation (M146L) elevates the production of Abeta42 peptides. Our results provide evidence that assembly of structural domains contained within NH2- and COOH-terminal regions of PS occur prior to endoproteolytic cleavage.
Efficient and Fast Differentiation of Human Neural Stem Cells from Human Embryonic Stem Cells for Cell Therapy (2017)

Stem cell-based therapies have been used for repairing damaged brain tissue and helping functional recovery after brain injury. Aberrance neurogenesis is related with brain injury, and multipotential neural stem cells from human embryonic stem (hES) cells provide a great promise for cell replacement therapies. Optimized protocols for neural differentiation are necessary to produce functional human neural stem cells (hNSCs) for cell therapy. However, the qualified procedure is scarce and detailed features of hNSCs originated from hES cells are still unclear. In this study, we developed a method to obtain hNSCs from hES cells, by which we could harvest abundant hNSCs in a relatively short time. Then, we examined the expression of pluripotent and multipotent marker genes through immunostaining and confirmed differentiation potential of the differentiated hNSCs. Furthermore, we analyzed the mitotic activity of these hNSCs. In this report, we provided comprehensive features of hNSCs and delivered the knowledge about how to obtain more high-quality hNSCs from hES cells which may help to accelerate the NSC-based therapies in brain injury treatment.
Imperfection resonance crossing in the AGS Booster (2020)

Polarized helions are part of the spin physics program for the EIC, allowing collisions of polarized neutrons with polarized electrons. Helion imperfection resonances are 2.4 times closer than protons. Helions cross two intrinsic resonances (|Gγ| = 12 - νγ and |Gγ| = 6 + νγ) and six imperfection resonances |Gγ| = 5, 6, 7, 8, 9, and 10) in the Booster as they are accelerated to extraction at |Gγ| = 10.5. In this same range of γ, protons cross two imperfection resonances (|Gγ| = 3, and 4) and are extracted from the Booster prior to crossing the |Gγ| = 0 + νγ. Preliminary benchmarking simulations are performed using protons crossing the |Gγ| = 3 and 4 imperfection resonances, results of which are compared to experimental data. The settings used for protons are extrapolated to the helion case to show there is sufficient corrector strength to preserve polarization at each imperfection resonance up to extraction.
Supplementary Figure Legend from Inhibition of Established Micrometastases by Targeted Drug Delivery via Cell Surface–Associated GRP78 (2023)

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Food-Based Dietary Guidelines – development of a conceptual framework for future Food-Based Dietary Guidelines in Europe: report of a Federation of European Nutrition Societies Task-Force Workshop in Copenhagen, 12–13 March 2018 (2020)

Identifying a need for developing a conceptual framework for the future development of Food-Based Dietary Guidelines (FBDG) in Europe, The Federation of European Nutrition Sciences established a Task Force for this purpose. A workshop was held with the specific objective to discuss the various dimensions considered as particularly relevant. Existing frameworks for FBDG were discussed, and presentations from various countries illustrated not only several commonalities but also a high degree of heterogeneity in the guidelines from different countries. Environmental aspects were considered in several countries, and dimensions like food safety, dietary habits and preparation were included in others. The workshop provided an overview of the use of FBDG - both in developing front-of-pack nutrition labels and for reformulation and innovation. The European FBDG dimensions were described with examples from the close connection between FBDG and European Union (EU) policies and activities and from the compilation of a database of national FBDG. Also, the challenges with communication of FBDG were discussed. Considering the current scientific basis and the experiences from several countries, the Task Force discussed the various dimensions of developing FBDG and concluded that environmental aspects should be included in the future conceptual framework for FBDG. A change in terminology to sustainable FDBG (SFBDG) could reflect this. The Task Force concluded that further work needs to be done exploring current practice, existing methodologies and the future prospects for incorporating other relevant dimensions into a future Federation of European Nutrition Societies conceptual framework for SFBDG in Europe and working groups were formed to address that.
Pharmacokinetics of Intrathecal Oligodeoxynucleotides (2004)

The intrathecal pharmacokinetics of oligodeoxynucleotides are largely determined by oligodeoxynucleotide length. This contrasts with smaller drug molecules, such as opioids, for which intrathecal and epidural pharmacokinetics are largely determined by lipid solubility, not size. The potential clinical utility of this information is that oligodeoxynucleotide distribution within the central nervous system may be controllable to some degree by varying oligodeoxynucleotide length.
Divergence and heterogeneity of neoplastic PD‐L1 expression: Two autopsy case reports of intravascular large B‐cell lymphoma (2019)

Intravascular large B-cell lymphoma (IVLBCL) is a distinct disease, but the neoplastic PD-L1 expression on tumor cells may vary among cases. We evaluated 10 IVLBCL autopsy cases for neoplastic PD-L1 expression, and had positive results in two cases. In one case, neoplastic PD-L1 expression (SP142, 28-8, and E1J2J clones) was dependent on the organ and anatomical site (capillaries vs. vessels) of the tumor tissue. Neoplastic PD-L1 expression was found in tumor cells located in capillaries in the central nervous system, pituitary gland, kidneys, lung, and gastrointestinal tract; sinuses/sinusoids of the spleen, liver, bone marrow, and lymph nodes; and an extravascular location. However, this expression was not detected in tumor cells located in the adrenal gland, thyroid gland, pancreas, ovaries, uterus, pleura, and small or larger-sized vessels of the lung. The other case showed constant neoplastic PD-L1 expression on the tumor cells, and in addition to the affected organs, capillaries, and vessels with two anti-PD-L1 antibodies (28-8 and E1J2J, but not SP142). The divergence and heterogeneity of neoplastic PD-L1 expression were clearly demonstrated in our cases. To the best of our knowledge, this is the first description of divergent neoplastic PD-L1 expression among the affected organs and anatomical sites in IVLBCL.
Multiple Positive Solutions for Elliptic Boundary Value Problems (2006)

We extend ODE results of Henderson and Thompson, see [10], to a large class of boundary value problems for both ODEs and
Design of IIR QMF banks with near-perfect reconstruction and low complexity (2008)

A novel design for a two-channel IIR quadrature-mirror filter (QMF) bank with near-perfect reconstruction (NPR) is presented. The analysis filter-bank is given by an efficient polyphase network (PPN) implementation based on allpass filters. The arising phase distortions are almost compensated by stable allpass filters, designed via analytical closed-form expressions. In a first design, the remaining aliasing, amplitude and phase distortions become arbitrarily small in dependence of the tolerable system delay and algorithmic complexity, respectively. In a second design, aliasing and amplitude distortions are completely canceled and phase distortions are minimized at the expense of an additional signal delay. The proposed QMF banks have a lower algorithmic complexity than comparable designs.
Technical aspects of the Advanced Camera for Surveys repair (2008)

In January 2007, the Hubble Space Telescope (HST) Advanced Camera for Surveys (ACS) lost its Wide-Field Channel (WFC) and the High Resolution Channel (HRC) due to a failure in its Low Voltage Power Supply (LVPS). A team was rapidly assembled to determine if the ACS could be repaired as part of HST Servicing Mission 4 (SM4). This team includes contributors from NASA's Goddard Space Flight Center, Ball Aerospace, and Teledyne Imaging Sensors. It determined that all of the capabilities of the ACS could be restored and created a concept for the ACS-Repair (ACS-R) component of SM4. ACS-R will restore the WFC of ACS by replacing the existing CCD Electronics Box (CEB) with the CEB-Replacement (CEB-R) and providing power from a new Low Voltage Power Supply Replacement (LVPS-R). The new LVPS-R will also attempt to restore the HRC function by providing power through the original power bus. In this presentation, we focus on the concept and technical aspects of the ACS-R.
People With Parkinson’s Disease and Freezing of Gait Show Abnormal Low Frequency Activity of Antagonistic Leg Muscles (2022)

We found increased muscle activation of the alpha and lower beta band in PD freezers compared to HC, and this was attenuated with STN-DBS. Future studies may use combined recordings of local field potentials, electroencephalography (EEG), and electromyography (EMG) to interrogate the supraspinal circuit mechanisms of the pathological activation pattern of the spinal pattern generator.