Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T15:11:47.733408Z
Paper Citation Record · LEDGER
As of 16 August 2026, this Paper Citation Record lists 28 of 28 outbound references and 0 inbound Pith citation observations for arXiv:1908.01618.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T15:11:47.733408Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-16T06:30:59.297886+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links
A source-named dated measurement, never combined with another source.
Source: cited_works
28 of 28 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 789fceb6-9db1-45fc-9f0a-9bcc1ec402cd · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Fostering user engagement in face-to-face human-agent interactions: a survey,
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation dd5af538-1999-489e-943b-9746787a5c73 · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Analysis of engagement and user experience with a laughter responsive social robot,
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation fa867274-5d74-45a1-8ae5-c741f956d39c · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Timing and entrainment of multimodal backchanneling behavior for an embodied conversational agent,
Reference 3
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 369e736a-1093-4e13-b1fe-f462783705e2 · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Generating robot/agent backchannels during a storytelling experiment,
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 4acfb176-fbe6-4bf0-83fe-26ac6093cd67 · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Generation of nodding, head tilting and eye gazing for human-robot dialogue interaction,
Reference 5
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b7e3bf0f-4c51-48cf-98b5-9524effff7df · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Data-driven model of nonverbal behavior for socially assistive human-robot interactions,
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation cc453ec9-6b9e-4f4d-ad69-5dd63fe4e760 · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Robot gains social intelligence through multimodal deep reinforcement learning,
Reference 7
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5f7c94c0-dec4-4d3d-a33e-7c9ceb2f64b6 · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Show, attend and interact: Perceivable human-robot social interaction through neural attention q-network,
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 623a27d4-93d8-44af-9a94-12f645b7f116 · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Robot behavior adaptation for human-robot interaction based on policy gradient reinforcement learning,
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 63dc56d8-6787-446d-942a-b54b623fda38 · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Neural network based reinforcement learning for audio–visual gaze control in human–robot interaction,
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 08a1ad45-4819-4437-a1bd-fc5d13734fee · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Definitions of engagement in human-agent interaction,
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation aa04f58f-8e67-4256-8122-cc4cc8eefc2a · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Poggi, Mind, hands, face and body: a goal and belief view of multimodal communication
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation f7e4b4aa-0f1a-415d-9c1f-b666f1a4731a · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Recognizing engagement in human-robot interaction,
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation cbb3a4a8-46cb-435f-81c7-700203ad0cae · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Batch reinforcement learning,
Reference 14
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9592930f-8217-4bd3-a5c3-5c8c4f7ef8fa · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Tree-based batch mode reinforcement learning,
Reference 15
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 54eea6c8-043a-4cfa-8f60-00be32adaa27 · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Neural fitted q iteration–first experiences with a data efficient neural reinforcement learning method,
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation ef55b10c-ddcf-48c7-8a9a-e6e2bd14d571 · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Unresolved cited work
Reference 17
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f435e122-84d4-442b-87b9-12d400781a45 · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Human-level control through deep reinforcement learning,
Reference 18
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation cbd34a40-3622-4a7f-bc1b-cdb0bcba2ddf · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Deep q-learning from demonstrations,
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 31860079-02f9-4923-8ecf-64c102d6cc26 · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Iemocap: Interactive emotional dyadic motion capture database,
Reference 20
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 47a1fa20-c38f-4a39-881e-1a014ed6336b · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Multimodal analysis of speech and arm motion for prosody-driven synthesis of beat gestures,
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 05833216-2052-4833-83d3-b127d2267294 · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Tracking continuous emotional trends of participants during affective dyadic interactions using body language and speech information,
Reference 22
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e025b61b-a6d9-4711-a484-d509b6ada421 · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Selecting concise training sets from clean data,
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 075c0c5f-f5e4-461e-8174-221d66c38866 · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Residual algorithms: Reinforcement learning with function approximation,
Reference 24
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3e164ff4-eaa0-4303-9630-a674098cd6c8 · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Data-efficient off-policy policy evaluation for reinforcement learning,
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 737d436e-151c-4f95-9d59-1d046b9ab583 · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Importance sampling for fair policy selection
Reference 26
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6a57a707-d1d4-4917-a1df-fefbf70dc5e3 · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Behaviour Policy Estimation in Off-Policy Policy Evaluation: Calibration Matters
Reference 27
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5cfe4560-e6cb-4546-b5cc-016cc4fa6e2c · outbound
Speech Driven Backchannel Generation using Deep Q-Network for Enhancing Engagement in Human-Robot Interaction Fast nearest neighbor search through sparse random projections and voting,
Reference 28
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
No inbound Pith citation observations are available.