Paper Citation Record · LEDGER

I Am Not What I Write: Privacy Preserving Text Representation Learning

As of 5 August 2026, this Paper Citation Record lists 54 of 54 outbound references and 0 inbound Pith citation observations for arXiv:1907.03189.

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

pith.paper-citation-record.v1
1907.03189 v1

Coverage vector

measured 54 of 54 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-05-25T01:25:43.242159Z

measured 54 of 54 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-05T06:32:48.257954+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

54 of 54 outbound references displayed

verified exact5
verified fuzzy4
unresolved45
parse uncertain0
malformed identifier0
metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation e66f0095-c609-40bc-8e91-7f72d25f8d8d · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 1

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.008577Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 9653913b-f05d-40cc-a91e-850ba785d1fb · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 2

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:31.968482Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation b8477ecd-18e3-48aa-a39a-453eff0e650d · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 3

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:31.954885Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 7feff258-3231-4255-916d-1b3684736b3f · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 4

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.069308Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation d2c2228f-549d-4c44-96b3-1803c3c01cd3 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 5

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.063644Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation e13df3dc-5637-4e15-ab0a-692b8fef844b · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 6

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.085217Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 652fe6a5-4010-4120-888d-32f62e5db54e · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 7

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.017155Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation a70a63bf-2167-4320-9b55-89c2116a2ced · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 8

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.088281Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation bb7583b9-65fb-46cc-bea5-0606c6359e9b · outbound

This paper cites In Proceedings of the Twelfth ACM International Conference on Web Search and Data Mining.

I Am Not What I Write: Privacy Preserving Text Representation Learning In Proceedings of the Twelfth ACM International Conference on Web Search and Data Mining

Reference 9

Resolution: verified fuzzy; raw_fallback, observed 2026-05-25T01:26:32.079363Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 65545924-4784-4c61-b4f3-bac1d11af35d · outbound

This paper cites Privacy in Social Media: Identification, Mitigation and Applications.

I Am Not What I Write: Privacy Preserving Text Representation Learning Privacy in Social Media: Identification, Mitigation and Applications

Reference 10

Resolution: verified exact; local_arxiv, observed 2026-05-25T01:26:31.537001Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 3b727362-1b52-4a2d-ad27-d75c68072976 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 11

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.055462Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 7035e2d7-8fb8-4964-a7dd-458ac6440317 · outbound

This paper cites Identifying Novel Privacy Issues of Online Users on Social Media Platforms.

I Am Not What I Write: Privacy Preserving Text Representation Learning Identifying Novel Privacy Issues of Online Users on Social Media Platforms

Reference 12

Resolution: verified fuzzy; raw_fallback, observed 2026-05-25T01:26:31.991582Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 25aec317-ddc3-4199-813d-59e747bfe514 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 13

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.021434Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation ff83a5b2-d1e4-4c21-9266-c82a1924087b · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 14

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.040492Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation eed8bf07-77fa-487d-8ddc-a112543bf773 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 15

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:31.961646Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation dc3dacfb-882a-4695-93ed-0ae23f9568c1 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 16

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.064122Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 847df369-8a47-458f-9caf-4f6101714311 · outbound

This paper cites In Proceedings of the 26th ACM Conference on Hypertext & Social Media.

I Am Not What I Write: Privacy Preserving Text Representation Learning In Proceedings of the 26th ACM Conference on Hypertext & Social Media

Reference 17

Resolution: verified fuzzy; raw_fallback, observed 2026-05-25T01:26:31.995193Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 5e6c8cbd-5a81-4470-8a81-c87871f1b4f5 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 18

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:31.959888Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 3922c72a-6732-41b6-9e49-4f2c358dbb5c · outbound

This paper cites Generating Sentences from a Continuous Space.

I Am Not What I Write: Privacy Preserving Text Representation Learning Generating Sentences from a Continuous Space

Reference 19

Resolution: verified exact; local_arxiv, observed 2026-05-25T01:26:31.547731Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 69864ecf-4116-4fec-b293-64707c329a35 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 20

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:31.975073Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 74e040cb-d632-4ab9-a179-1f4bef85b98d · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 21

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.035395Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation fbffcd85-1d8b-4b87-a599-484697ae1f79 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 22

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:31.991185Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 0310e4d1-ecf4-4315-a9ad-c97aac36da2d · outbound

This paper cites Learning Phrase Representations using RNN Encoder-Decoder for Statistical Machine Translation.

I Am Not What I Write: Privacy Preserving Text Representation Learning Learning Phrase Representations using RNN Encoder-Decoder for Statistical Machine Translation

Reference 23

Resolution: verified exact; local_arxiv, observed 2026-05-25T01:26:31.540004Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 3d73878e-e3b9-4723-bfbe-023f193606f1 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 24

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:31.969252Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 5790560c-a315-4234-9ab1-a4b96127f7c6 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 25

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.082198Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 6a461d5f-ecf6-47a5-9c6c-f5a094277be8 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 26

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.057674Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation ce9eab87-6411-4427-a4b5-d0bb8fca8d7c · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 27

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.060925Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 9d85019a-d88e-4b0a-8656-eac61406b818 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 28

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.052666Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 95aa91f4-f165-4661-811d-d901a92b0d1f · outbound

This paper cites In Proceedings of ACM SIGSAC on CCS.

I Am Not What I Write: Privacy Preserving Text Representation Learning In Proceedings of ACM SIGSAC on CCS

Reference 29

Resolution: verified fuzzy; raw_fallback, observed 2026-05-25T01:26:32.018300Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 5e53db53-5405-4ccc-8146-12c96a345d53 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 30

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.066603Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 302b3fee-b7a8-40dc-954c-9baa8e5a317e · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 31

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.069543Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 7913ac52-ec87-43dc-a61a-dd5aa11642cf · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 32

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.049693Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 61748550-a518-42b8-9012-2ea633514823 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 33

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.054810Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 9c8a3ee8-1929-4d00-b464-399d1fb7db06 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 34

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.046567Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 1e1487d9-f076-4b9a-b8e0-f5f7ade65261 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 35

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.043418Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation c437bdda-1608-4dcd-8f12-ffe9a0342017 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 36

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.075732Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 0d17a721-65f3-4fdd-b383-556f84492b45 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 37

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:31.965284Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 4d0da82c-c496-41c3-b0c5-8e20cea85d6d · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 38

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:31.975560Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation ecebbae2-5981-4353-b076-3f1acfc366d4 · outbound

This paper cites Auto-Encoding Variational Bayes.

I Am Not What I Write: Privacy Preserving Text Representation Learning Auto-Encoding Variational Bayes

Reference 39

Resolution: verified exact; local_arxiv, observed 2026-05-25T01:26:31.531266Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 79a2d8ac-d01b-40c6-a13f-721e3cc66567 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 40

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.032750Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 610d3db9-4fed-4a50-ade6-d2b57fa18882 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 41

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.049185Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 9ccdf5c0-bdd8-4c7e-a2d0-77c44b0b848a · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 42

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.066389Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 2e49261a-c000-40be-83fb-001d6e075e25 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 43

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:31.962828Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation c210879d-3521-4c75-8243-953b4967129e · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 44

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.058141Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 43b9f4c2-a8b8-48c2-af9b-4706f3ded41a · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 45

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.052002Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation e11f1259-e0df-4915-94a2-834ca24981c3 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 46

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.014160Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation e6fa9f58-cc61-4542-9070-7c154f67b479 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 47

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.014967Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 04600426-2c7f-446b-8451-b3f7223be88a · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 48

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:31.997971Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 26a942a4-d4b8-4574-8512-9864fcd7123e · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 49

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.072505Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation b66184fc-1acf-4baa-842d-aabc5ac8b4e6 · outbound

This paper cites Neural Responding Machine for Short-Text Conversation.

I Am Not What I Write: Privacy Preserving Text Representation Learning Neural Responding Machine for Short-Text Conversation

Reference 50

Resolution: verified exact; local_arxiv, observed 2026-05-25T01:26:31.554977Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 9bcb4bd2-ed12-4cf6-a5cc-fab6338b4668 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 51

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.072109Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation 4f42a6f5-1c11-4823-bc44-b5cb78165e81 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 52

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:31.936279Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation a664575f-6c41-46ad-924f-cb893fcb4262 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 53

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.026289Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Observation e328a4ca-3b1d-4a71-b98a-7d95023cb074 · outbound

This paper cites an unresolved cited work.

I Am Not What I Write: Privacy Preserving Text Representation Learning Unresolved cited work

Reference 54

Resolution: unresolved; raw_fallback, observed 2026-05-25T01:26:32.060713Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-05T06:32:48.257954+00:00.

Pith citing papers

No inbound Pith citation observations are available.