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Università della Svizzera italiana

6D virtual sensor for wrench estimation in robotized interaction tasks exploiting extended Kalman filter

Roveda, Loris ; Bussolan, Andrea ; Braghin, Francesco ; Piga, Dario

In: Machines, 2020, vol. 8, no. 4, p. 17

Industrial robots are commonly used to perform interaction tasks (such as assemblies or polishing), requiring the robot to be in contact with the surrounding environment. Such environments are (partially) unknown to the robot controller. Therefore, there is the need to implement interaction controllers capable of suitably reacting to the established contacts. Although standard force controllers...

Università della Svizzera italiana

The ABC of Deutsch–Hayden descriptors

Bédard, Charles Alexandre

In: Quantum reports, 2021, vol. 3, no. 2, p. 272-285

It has been more than 20 years since Deutsch and Hayden proved the locality of quantum theory, using the Heisenberg picture of quantum computational networks. Of course, locality holds even in the face of entanglement and Bell’s theorem. Today, most researchers in quantum foundations are still convinced not only that a local description of quantum systems has not yet been provided, but that...

Consortium of Swiss Academic Libraries

An abstraction refinement approach combining precise and approximated techniques

Sharygina, Natasha ; Tonetta, Stefano ; Tsitovich, Aliaksei

In: International Journal on Software Tools for Technology Transfer, 2012, vol. 14, no. 1, p. 1-14

Università della Svizzera italiana

Accuracy of performance counter measurements

Zaparanuks, Dmitrijs ; Jovic, Milan ; Hauswirth, Matthias

Many workload characterization studies depend on accurate measurements of the cost of executing a piece of code. Often these measurements are conducted using infrastructures to access hardware performance counters. Most modern processors provide such counters to count micro-architectural events such as retired instructions or clock cycles. These counters can be diffocult to configure, may not be...

Università della Svizzera italiana

ACKR3 expression on diffuse large B cell lymphoma is required for tumor spreading and tissue infiltration

Puddinu, Viola ; Casella, Sabrina ; Radice, Egle ; Thelen, Sylvia ; Dirnhofer, Stefan ; Bertoni, Francesco ; Thelen, Marcus

In: Oncotarget, 2017, vol. 8, no. 49, p. 85068-85084

Diffuse large B cell lymphoma (DLBCL) is the most frequent lymphoma accounting for more than the 30% of the cases. Involvement of extranodal sites, such as bone marrow and central nervous system, is associated with poor prognosis. A contribution of the chemokine system in these processes is assumed as it is known as a critical regulator of the metastatic process in cancer. The atypical...

Università della Svizzera italiana

Activin-A co-opts IRF4 and AhR signaling to induce human regulatory T cells that restrain asthmatic responses

Tousa, Sofia ; Semitekolou, Maria ; Morianos, Ioannis ; Banos, Aggelos ; Trochoutsou, Aikaterini I. ; Brodie, Tess M. ; Poulos, Nikolaos ; Samitas, Konstantinos ; Kapasa, Maria ; Konstantopoulos, Dimitris ; Paraskevopoulos, Giannis ; Gaga, Mina ; Hawrylowicz, Catherine M. ; Sallusto, Federica ; Xanthou, Georgina

In: Proceedings of the national academy of sciences of the United States of America, 2017, vol. 114, no. 14, p. E2891-E2900

Type 1 regulatory T (Tr1) cells play a pivotal role in restraining human T-cell responses toward environmental allergens and protecting against allergic diseases. Still, the precise molecular cues that underlie their transcriptional and functional specification remain elusive. Here, we show that the cytokine activin-A instructs the generation of CD4+ T cells that express the...

Università della Svizzera italiana

Adaptive query-based sampling of distributed collections

Baillie, Mark ; Azzopardi, Leif ; Crestani, Fabio

In: Lecture Notes in Computer Science, 2006, vol. 4209, p. 316-328

As part of a Distributed Information Retrieval system a description of each remote information resource, archive or repository is usually stored centrally in order to facilitate resource selection. The acquisition of precise resource descriptions is therefore an important phase in Distributed Information Retrieval, as the quality of such representations will impact on selection accuracy, and...

Università della Svizzera italiana

Adaptive routing in ad hoc wireless multi-hop networks

Ducatelle, Frederick ; Gambardella, Luca Maria (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2007 ; 2007INFO001.

Ad hoc wireless multi-hop networks (AHWMNs) are communication networks that consist entirely of wireless nodes, placed together in an ad hoc manner, i.e. with minimal prior planning. All nodes have routing capabilities, and forward data packets for other nodes in multi-hop fashion. Nodes can enter or leave the network at any time, and may be mobile, so that the network topology continuously...