Paper Citation Record · LEDGER

Straight-Path Flow Matching for Incomplete Multi-View Clustering

As of 9 August 2026, this Paper Citation Record lists 51 of 51 outbound references and 0 inbound Pith citation observations for arXiv:2607.06281.

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

pith.paper-citation-record.v1
2607.06281 v1

Coverage vector

measured 51 of 51 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-07-08T11:47:09.765609Z

measured 51 of 51 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-09T06:31:02.800959+00:00

measured 0 of 0 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links

measured 0 of 1 external citation measurements

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

Source: cited_works

Reference resolution

51 of 51 outbound references displayed

verified exact1
verified fuzzy27
unresolved11
parse uncertain0
malformed identifier1
metadata mismatch11

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation d6fc9933-d6ed-4561-9ccf-072d366ed2cb · outbound

This paper cites an unresolved cited work.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Unresolved cited work

Reference 1

Resolution: unresolved; raw_fallback, observed 2026-07-08T11:54:51.720344Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 572c7580-b58f-478f-a484-f9ee0cf6a458 · outbound

This paper cites In: Icdm.

Straight-Path Flow Matching for Incomplete Multi-View Clustering In: Icdm

Reference 2

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.669476Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 0638739f-0861-48bd-8ffd-039dfb0d348f · outbound

This paper cites IEEE Trans.

Straight-Path Flow Matching for Incomplete Multi-View Clustering IEEE Trans

Reference 3

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.680383Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation c217efc7-7307-493d-8200-ee43667793a3 · outbound

This paper cites In: AAAI.

Straight-Path Flow Matching for Incomplete Multi-View Clustering In: AAAI

Reference 4

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.678442Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 18b23648-86cf-47f9-aeab-a9d31f545ba0 · outbound

This paper cites Flow Matching in Latent Space.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Flow Matching in Latent Space

Reference 5

Resolution: metadata mismatch; local_arxiv, observed 2026-07-08T11:54:51.267728Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation a5706375-985d-4fe5-8d22-a5753f16b578 · outbound

This paper cites an unresolved cited work.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Unresolved cited work

Reference 6

Resolution: unresolved; raw_fallback, observed 2026-07-08T11:54:51.743312Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation f8b35fe0-c992-4199-a40f-3f9b51235ba1 · outbound

This paper cites In: AAAI.

Straight-Path Flow Matching for Incomplete Multi-View Clustering In: AAAI

Reference 7

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.689497Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation d9174778-1796-4940-9a2b-6eb68d55a856 · outbound

This paper cites In: ACM Int.

Straight-Path Flow Matching for Incomplete Multi-View Clustering In: ACM Int

Reference 8

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.710890Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation e81c3a31-9093-47f3-9816-00cdf5f7153a · outbound

This paper cites IEEE transactions on knowledge and data engineering35(4), 3313–3332 (2021).

Straight-Path Flow Matching for Incomplete Multi-View Clustering IEEE transactions on knowledge and data engineering35(4), 3313–3332 (2021)

Reference 9

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.676543Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 22e44f31-7fc9-4dbf-8d49-cc4426b8caf4 · outbound

This paper cites an unresolved cited work.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Unresolved cited work

Reference 10

Resolution: unresolved; raw_fallback, observed 2026-07-08T11:54:51.671338Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 6aeff33f-6737-47cd-8cd3-9bf410602d86 · outbound

This paper cites Flow Generator Matching.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Flow Generator Matching

Reference 11

Resolution: metadata mismatch; local_arxiv, observed 2026-07-08T11:54:51.242130Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 8d83c0cd-c0fa-4fa6-9104-1bd4bce41cf7 · outbound

This paper cites In: IEEE Conf.

Straight-Path Flow Matching for Incomplete Multi-View Clustering In: IEEE Conf

Reference 12

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.694784Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 5bd07de2-d5be-4fee-837c-c56c28d4107b · outbound

This paper cites Auto-Encoding Variational Bayes.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Auto-Encoding Variational Bayes

Reference 13

Resolution: metadata mismatch; local_arxiv, observed 2026-07-08T11:54:51.260009Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 2ccfeb4a-0acf-40ba-bec4-da359c8c9446 · outbound

This paper cites an unresolved cited work.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Unresolved cited work

Reference 14

Resolution: unresolved; raw_fallback, observed 2026-07-08T11:54:51.705527Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 3e6d5456-3abc-4a09-af14-6f4c6aa70b46 · outbound

This paper cites an unresolved cited work.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Unresolved cited work

Reference 15

Resolution: unresolved; raw_fallback, observed 2026-07-08T11:54:51.747347Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation d921ed1e-d120-4bb3-8557-5d9f032e2ae8 · outbound

This paper cites FLUX.1 Kontext: Flow Matching for In-Context Image Generation and Editing in Latent Space.

Straight-Path Flow Matching for Incomplete Multi-View Clustering FLUX.1 Kontext: Flow Matching for In-Context Image Generation and Editing in Latent Space

Reference 16

Resolution: verified exact; local_arxiv, observed 2026-07-08T11:54:51.248964Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 21dc67a9-69b8-4104-a224-ad89de4a4ef9 · outbound

This paper cites Incomplete Multi-view Clustering via Prototype-based Imputation.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Incomplete Multi-view Clustering via Prototype-based Imputation

Reference 17

Resolution: metadata mismatch; local_arxiv, observed 2026-07-08T11:54:51.246033Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 7c59d77b-6865-43cc-bff1-568de189d775 · outbound

This paper cites IEEE Trans.

Straight-Path Flow Matching for Incomplete Multi-View Clustering IEEE Trans

Reference 18

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.682143Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation dae478cc-332a-4af1-9a54-246a8e9dff08 · outbound

This paper cites Information Sciences647, 119418 (2023).

Straight-Path Flow Matching for Incomplete Multi-View Clustering Information Sciences647, 119418 (2023)

Reference 19

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.727076Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 5d54d570-6fb8-4722-9c54-9f7b2cf740a9 · outbound

This paper cites IEEE Trans.

Straight-Path Flow Matching for Incomplete Multi-View Clustering IEEE Trans

Reference 20

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.731669Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 6bf51446-1b9b-4593-9710-0112bff87a90 · outbound

This paper cites In: IEEE Conf.

Straight-Path Flow Matching for Incomplete Multi-View Clustering In: IEEE Conf

Reference 21

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.684062Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 6a6a0999-c920-4f2a-96e3-fba1f336dad4 · outbound

This paper cites Flow Matching for Generative Modeling.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Flow Matching for Generative Modeling

Reference 22

Resolution: metadata mismatch; local_arxiv, observed 2026-07-08T11:54:51.265155Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 236d9ff2-a4ab-419f-9f29-c65e00acaabd · outbound

This paper cites Flow Straight and Fast: Learning to Generate and Transfer Data with Rectified Flow.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Flow Straight and Fast: Learning to Generate and Transfer Data with Rectified Flow

Reference 23

Resolution: metadata mismatch; local_arxiv, observed 2026-07-08T11:54:51.257360Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 8eec4ed4-dc07-4741-891d-64b9772460a9 · outbound

This paper cites IEEE Trans.

Straight-Path Flow Matching for Incomplete Multi-View Clustering IEEE Trans

Reference 24

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.702030Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation dc312eff-370e-4f92-9c04-00cf0e8e3b89 · outbound

This paper cites In: AAAI.

Straight-Path Flow Matching for Incomplete Multi-View Clustering In: AAAI

Reference 25

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.736514Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation b0379dba-f587-4ce7-9446-3aa2a512d291 · outbound

This paper cites Representation Learning with Contrastive Predictive Coding.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Representation Learning with Contrastive Predictive Coding

Reference 26

Resolution: metadata mismatch; local_arxiv, observed 2026-07-08T11:54:51.254572Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 83276c53-889d-40d7-b092-eff9911c20be · outbound

This paper cites SDXL: Improving Latent Diffusion Models for High-Resolution Image Synthesis.

Straight-Path Flow Matching for Incomplete Multi-View Clustering SDXL: Improving Latent Diffusion Models for High-Resolution Image Synthesis

Reference 27

Resolution: metadata mismatch; local_arxiv, observed 2026-07-08T11:54:51.262588Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 88b65b13-fc76-4fd6-b423-d0fc838b690c · outbound

This paper cites In: IEEE Conf.

Straight-Path Flow Matching for Incomplete Multi-View Clustering In: IEEE Conf

Reference 28

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.718252Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 1b37cea1-769a-42c7-806c-1f0c9c42d75b · outbound

This paper cites an unresolved cited work.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Unresolved cited work

Reference 29

Resolution: unresolved; raw_fallback, observed 2026-07-08T11:54:51.707283Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 9ff2ba0f-ba49-42ee-98ae-6d91a77766a2 · outbound

This paper cites Score-Based Generative Modeling through Stochastic Differential Equations.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Score-Based Generative Modeling through Stochastic Differential Equations

Reference 30

Resolution: metadata mismatch; local_arxiv, observed 2026-07-08T11:54:51.235297Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 33bee985-0041-41c8-93d3-1558807eee17 · outbound

This paper cites an unresolved cited work.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Unresolved cited work

Reference 31

Resolution: unresolved; raw_fallback, observed 2026-07-08T11:54:51.752688Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation b206d049-b5c6-44ec-afde-913bdb0ed67e · outbound

This paper cites an unresolved cited work.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Unresolved cited work

Reference 32

Resolution: unresolved; raw_fallback, observed 2026-07-08T11:54:51.722111Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 5fdae7df-7756-4d1a-a4b1-f2572a0739aa · outbound

This paper cites IET Computer Vision17(2), 189–202 (2023).

Straight-Path Flow Matching for Incomplete Multi-View Clustering IET Computer Vision17(2), 189–202 (2023)

Reference 33

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.709014Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation b8ca81fb-eab1-4f58-bb19-798c08d2c3ee · outbound

This paper cites Generative Partial Multi-View Clustering.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Generative Partial Multi-View Clustering

Reference 34

Resolution: metadata mismatch; local_arxiv, observed 2026-07-08T11:54:51.270274Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 9f9dc694-373a-4944-8a3b-b22894e288ed · outbound

This paper cites IEEE Trans.

Straight-Path Flow Matching for Incomplete Multi-View Clustering IEEE Trans

Reference 35

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.712577Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation d6005a70-7249-4a6d-bee0-2eeabb3fb57b · outbound

This paper cites In: 2020 IEEE International Conference on Data Mining (ICDM).

Straight-Path Flow Matching for Incomplete Multi-View Clustering In: 2020 IEEE International Conference on Data Mining (ICDM)

Reference 36

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.750880Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation d20fb315-afa5-4828-941a-799d06385f6f · outbound

This paper cites an unresolved cited work.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Unresolved cited work

Reference 37

Resolution: unresolved; raw_fallback, observed 2026-07-08T11:54:51.698545Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 6170b54b-f737-4b9f-b66e-614227bfd5a0 · outbound

This paper cites In: Proceedings of the 30th ACM international con- ference on information & knowledge management.

Straight-Path Flow Matching for Incomplete Multi-View Clustering In: Proceedings of the 30th ACM international con- ference on information & knowledge management

Reference 38

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.716324Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 39aca47e-ae41-4059-9992-2ca064534409 · outbound

This paper cites IEEE Trans.

Straight-Path Flow Matching for Incomplete Multi-View Clustering IEEE Trans

Reference 39

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.693118Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 2ad7025c-16a9-4d37-81d9-e5ed9d11ad17 · outbound

This paper cites IEEE transactions on cybernetics50(4), 1418–1429 (2018).

Straight-Path Flow Matching for Incomplete Multi-View Clustering IEEE transactions on cybernetics50(4), 1418–1429 (2018)

Reference 40

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.691416Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 87c56952-269c-445d-b532-70a7fd7fe84b · outbound

This paper cites Fashion-MNIST: a Novel Image Dataset for Benchmarking Machine Learning Algorithms.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Fashion-MNIST: a Novel Image Dataset for Benchmarking Machine Learning Algorithms

Reference 41

Resolution: metadata mismatch; local_arxiv, observed 2026-07-08T11:54:51.251892Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 76e4bd00-6582-4d23-9345-725c897a9c49 · outbound

This paper cites an unresolved cited work.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Unresolved cited work

Reference 42

Resolution: unresolved; raw_fallback, observed 2026-07-08T11:54:51.734219Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 66105e76-3553-4991-8459-a481f3b54206 · outbound

This paper cites IEEE Trans.

Straight-Path Flow Matching for Incomplete Multi-View Clustering IEEE Trans

Reference 43

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.700218Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation a7d4a4ae-8e3e-4711-bf7c-0d97178bc1d2 · outbound

This paper cites In: AAAI.

Straight-Path Flow Matching for Incomplete Multi-View Clustering In: AAAI

Reference 44

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.673021Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 5b2d6c9e-43db-47a6-9ec2-4bcc42be2aab · outbound

This paper cites In: IEEE Conf.

Straight-Path Flow Matching for Incomplete Multi-View Clustering In: IEEE Conf

Reference 45

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.703807Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation cc3007a1-9817-47e6-833b-05d50c31dae3 · outbound

This paper cites In: Proceedings of the 18th SIGSPATIAL international conference on advances in geographic information systems.

Straight-Path Flow Matching for Incomplete Multi-View Clustering In: Proceedings of the 18th SIGSPATIAL international conference on advances in geographic information systems

Reference 46

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.674788Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 6e75aef8-0b79-4b6f-a0ef-13dbb25a065c · outbound

This paper cites IEEE Transactions on Knowledge and Data Engineering35(3), 2671–2682 (2021).

Straight-Path Flow Matching for Incomplete Multi-View Clustering IEEE Transactions on Knowledge and Data Engineering35(3), 2671–2682 (2021)

Reference 47

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.729694Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 9f2495c7-d011-403b-b0f6-576975601502 · outbound

This paper cites an unresolved cited work.

Straight-Path Flow Matching for Incomplete Multi-View Clustering Unresolved cited work

Reference 48

Resolution: unresolved; raw_fallback, observed 2026-07-08T11:54:51.749053Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 4c63cd08-f401-421a-a6cf-bb0919be40da · outbound

This paper cites In: ACM Int.

Straight-Path Flow Matching for Incomplete Multi-View Clustering In: ACM Int

Reference 49

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.696865Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 4dd1b480-eb45-479b-98e4-afc211ed8bd1 · outbound

This paper cites In: AAAI.

Straight-Path Flow Matching for Incomplete Multi-View Clustering In: AAAI

Reference 50

Resolution: verified fuzzy; raw_fallback, observed 2026-07-08T11:54:51.714481Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Observation 181423dd-5bee-423b-aed9-83cd587e0a84 · outbound

This paper cites In: AAAI.

Straight-Path Flow Matching for Incomplete Multi-View Clustering In: AAAI

Reference 51

Resolution: malformed identifier; arxiv_id, observed 2026-07-08T11:54:51.238569Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

Pith citing papers

No inbound Pith citation observations are available.