Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T13:57:33.739448Z
Paper Citation Record · LEDGER
As of 16 August 2026, this Paper Citation Record lists 12 of 12 outbound references and 0 inbound Pith citation observations for arXiv:1908.04104.
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 2026-08-14T13:57:33.739448Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-15T06:32:42.880941+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
12 of 12 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation f0a6257b-5bcb-4530-a5ba-8c68e4e6290a · outbound
A Natural Quadratic Approach to the Generalized Graph Layering Problem In: Proceedings of the Symposium on Graph Drawing (GD'96), LNCS, vol
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 07539065-dd55-44ed-9ceb-8a42fe1f790e · outbound
A Natural Quadratic Approach to the Generalized Graph Layering Problem Software Engineering 19(3), 214--230 (1993)
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 4be5fc6c-82ad-472d-84d2-28eea0e53cda · outbound
A Natural Quadratic Approach to the Generalized Graph Layering Problem In: Goodrich, M.T., Kobourov, S.G
Reference 3
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 8cec4909-febd-42fe-a89b-a4992150d957 · outbound
A Natural Quadratic Approach to the Generalized Graph Layering Problem u egg, U., von Hanxleden, R.: Compact layered drawings of general directed graphs. In: Hu, Y., N \
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation ff06f282-d097-4366-b3df-c2f072e101ff · outbound
A Natural Quadratic Approach to the Generalized Graph Layering Problem 4OR 16(3), 295--309 (Sep 2018)
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 72db8302-6a21-40b4-8fa5-b3a90b08d600 · outbound
A Natural Quadratic Approach to the Generalized Graph Layering Problem u egg, U., Ehlers, T., Sp \
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 0e9d716a-3177-4f9a-9a91-7071118b1184 · outbound
A Natural Quadratic Approach to the Generalized Graph Layering Problem u egg, U., Ehlers, T., Sp \
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 727cda9c-f3ed-4941-9e97-3435d06a849e · outbound
A Natural Quadratic Approach to the Generalized Graph Layering Problem uegg , U., Ehlers , T., Sp\
Reference 8
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 1f22db09-8f7b-4180-9cfa-2de29fdfa47f · outbound
A Natural Quadratic Approach to the Generalized Graph Layering Problem IEEE Transactions on Systems, Man and Cybernetics 11(2), 109--125 (Feb 1981)
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation ce8c4d08-3961-4fcd-a8ed-af5561f798f8 · outbound
A Natural Quadratic Approach to the Generalized Graph Layering Problem Journal of Computer and System Sciences 10(3), 384--393 (1975)
Reference 10
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ba9c2e75-c7c6-496a-b538-bb82880ed92f · outbound
A Natural Quadratic Approach to the Generalized Graph Layering Problem , " * write output.state after.block = add.period write
Reference 11
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ab5034ea-3380-4ddb-941f-0fcd3feb2a43 · outbound
A Natural Quadratic Approach to the Generalized Graph Layering Problem write newline
Reference 12
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
No inbound Pith citation observations are available.