Paper Citation Record · LEDGER

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization

As of 12 August 2026, this Paper Citation Record lists 40 of 40 outbound references and 1 inbound Pith citation observation for arXiv:2501.00726.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
2501.00726 v1

Coverage vector

measured 40 of 40 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-10T22:49:38.139042Z

measured 41 of 41 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-12T06:34:41.77262+00:00

measured 1 of 1 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-01T03:23:58.662067Z

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: cited_works

Reference resolution

40 of 40 outbound references displayed

verified exact1
verified fuzzy7
unresolved32
parse uncertain0
malformed identifier0
metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation b73a94a2-4da9-4826-be3c-9cb9d7b2b32d · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 1

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.593699Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation f61ff2b6-cc2f-49a0-a810-9384d81ef577 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 2

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.583623Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 0a009306-814b-4509-9a61-8524cf519151 · outbound

This paper cites Huang, Z.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Huang, Z

Reference 3

Resolution: verified fuzzy; raw_fallback, observed 2026-08-10T22:49:38.573130Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 2f3e18ce-9da6-4b11-a03f-e31227dc0e77 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 4

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.563317Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 43517132-c47c-4801-85d0-c3882af40613 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 5

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.552430Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 05140175-a72a-4fdd-b25f-a6bbc95d7bc3 · outbound

This paper cites Saberi-Movahed, M.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Saberi-Movahed, M

Reference 6

Resolution: verified fuzzy; raw_fallback, observed 2026-08-10T22:49:38.541718Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 37c4d10c-a1d2-4e5f-910d-af8e2d9a61dd · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 7

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.533056Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation fecf298a-6cfd-43a4-ae3d-261c7e072a7d · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 8

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.524073Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation abf434f2-1175-4d3d-9407-96e4aa03327e · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 9

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.512739Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation c177531f-ac67-4f75-9759-8c66c57be71e · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 10

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.501820Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 71a9bdd0-f706-4435-9e86-147b9318289d · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 11

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.490740Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 2fc84368-6a31-4990-a87c-e85d8b93f53a · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 12

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.477930Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 064a0bea-f140-450d-897c-c400d9f851b7 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 13

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.466942Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation d633836d-d89e-4473-a8b4-c105626e966b · outbound

This paper cites Chang, F.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Chang, F

Reference 14

Resolution: verified fuzzy; raw_fallback, observed 2026-08-10T22:49:38.456352Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation b3bdbf4a-5ce0-4573-bb9c-8752a8b07963 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 15

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.445150Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation ac334d5a-493a-4516-b328-7f71f1c62432 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 16

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.433131Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation d54a4ab7-ce89-4d09-8303-cd592bfdfdf1 · outbound

This paper cites Fast Sparse PCA via Positive Semidefinite Projection for Unsupervised Feature Selection.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Fast Sparse PCA via Positive Semidefinite Projection for Unsupervised Feature Selection

Reference 17

Resolution: verified exact; local_arxiv, observed 2026-08-10T22:49:38.175485Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation c156ca44-ea37-4b9d-8eb8-d63103b952c0 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 18

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.422404Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 3c1a71c2-eef6-4c7b-9e89-6af4f06edf68 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 19

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.411503Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 613f5c07-3896-4dc0-862c-796cb9fcf476 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 20

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.400449Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 687bc725-b6a0-4209-ada6-3d6121479483 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 21

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.389448Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 4375808c-8b89-4f58-927b-d54ac5da637c · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 22

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.379293Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation c3350fdd-d210-48aa-bb22-58c4010fc5e0 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 23

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.368216Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 076808e8-0024-4748-a21f-8477145657a9 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 24

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.356747Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 5d65b6eb-23fd-4d75-87c8-cbccb7d46bf3 · outbound

This paper cites Zhang, Y.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Zhang, Y

Reference 25

Resolution: verified fuzzy; raw_fallback, observed 2026-08-10T22:49:38.344315Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation a3536223-74d0-460a-a7fb-4b3545459f92 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 26

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.332632Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 590db033-6de4-4efd-a240-e17fc0c238bf · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 27

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.321470Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 390ac22a-c1c3-4636-afe0-ccd3d91f4921 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 28

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.311866Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 480f10f0-a1a4-4694-a22b-da6681081964 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 29

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.302747Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 11b7fad4-7236-4642-b625-9ec9e9df3a1f · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 30

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.293286Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation e6f16093-6412-469d-b405-c9720f684546 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 31

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.283141Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 2fe36644-9655-483b-ad64-0764febb92d9 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 32

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.272611Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 53b29d10-d20c-4f39-a1b0-f5cf9794e732 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 33

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.261408Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 182f3c9a-67c4-4afc-bef6-85b83e97d7b9 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 34

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.249566Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 49992d69-2cb0-4f1f-9053-e8f3e1127970 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 35

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.238975Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation eb64dede-26c3-48ee-a77e-66088bfe5ee6 · outbound

This paper cites an unresolved cited work.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Unresolved cited work

Reference 36

Resolution: unresolved; raw_fallback, observed 2026-08-10T22:49:38.228721Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation 9890c49a-da4f-4a13-ab99-a446a70c9c0d · outbound

This paper cites Huang, Y.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Huang, Y

Reference 37

Resolution: verified fuzzy; raw_fallback, observed 2026-08-10T22:49:38.218015Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation ae017976-7df8-4759-ab13-098e92de04b3 · outbound

This paper cites Blumensath, M.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Blumensath, M

Reference 38

Resolution: verified fuzzy; raw_fallback, observed 2026-08-10T22:49:38.205962Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Observation be6c8e1e-e105-4af2-a911-d5da6f886e3a · outbound

This paper cites Bolte, S.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Bolte, S

Reference 39

Resolution: unresolved; no resolver link, observed 2026-08-10T22:49:38.136202Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 2b7d4987-aab2-4ac4-a13c-6bc8f23423e1 · outbound

This paper cites Mirzaei, V.

Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization Mirzaei, V

Reference 40

Resolution: verified fuzzy; raw_fallback, observed 2026-08-10T22:49:38.187939Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.

Pith citing papers

Observation 791064f1-5df6-4e92-aec0-83df8c4ddd65 · inbound

Variance-Preserving Orthogonal Selection (VPOS): Greedy Feature Selection via Orthogonal Deflation in PCA Loading Space cites this paper.

Variance-Preserving Orthogonal Selection (VPOS): Greedy Feature Selection via Orthogonal Deflation in PCA Loading Space Enhancing Unsupervised Feature Selection via Double Sparsity Constrained Optimization

Reference 20

Resolution: unresolved; no resolver link, observed 2026-08-01T03:23:58.662067Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.