🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 96 (from laksa137)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa096.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://scholar.rose-hulman.edu/rhumj/vol7/iss1/11/\')), getAhrefsUnparsedNoserviceFromURL(\'https://scholar.rose-hulman.edu/rhumj/vol7/iss1/11/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/scholar.rose-hulman.edu\/rhumj\/vol7\/iss1\/11\/","crawl_time":1774071005,"first_indexed_time":1553592180,"http_code":200,"src_unparsed":"edu,rose-hulman!scholar,\/rhumj\/vol7\/iss1\/11\/ s443","src_root_hash":"1958369652824360096","history_drop_reason":null,"meta_title":"\"Human Face Recognition Technology Using the Karhunen-Loeve Expansion T\" by Anthony Giordano and Michael Uhrig","meta_descriptions":["We will explore the area of face recognition using the partial singular value decomposition of a matrix and test some of its successes and limitations. We constructed a database consisting of 130 pictures of 65 individuals, and then used the Karhunen-Loéve (KL) Expansion method to relate pictures from outside the database to those in the database. While this method was generally very successful, we were able to test and define several of its limitations."],"attrs_boilerpipe_text":"Abstract\nWe will explore the area of face recognition using the partial singular value decomposition of a matrix and test some of its successes and limitations. We constructed a database consisting of 130 pictures of 65 individuals, and then used the Karhunen-Loéve (KL) Expansion method to relate pictures from outside the database to those in the database. While this method was generally very successful, we were able to test and define several of its limitations.\nAuthor Bio\nAnthony Giordano is currently an undergraduate junior at Regis University, and is pursuing a double major in chemistry and mathematics.  He truly enjoyed the opportunity to perform research at Regis University during the summer of 2005.  Eventually, Anthony would like to pursue a doctorate in physical\/organic chemistry, and work in a research environment where chemistry and mathematics meld together.\nMichael Uhrig will be graduating in May 2006 from Regis University with a major in mathematics and a minor in philosophy. He plans to attend graduate school in mathematics.\nRecommended Citation\nGiordano, Anthony and Uhrig, Michael\n(2006)\n\"Human Face Recognition Technology Using the Karhunen-Loeve Expansion Technique,\"\nRose-Hulman Undergraduate Mathematics Journal\n: Vol. 7:\nIss.\n1, Article 11.\nAvailable at:\nhttps:\/\/scholar.rose-hulman.edu\/rhumj\/vol7\/iss1\/11\nDOWNLOADS\nSince January 15, 2017\nCOinS","attrs_markdown":"- [Home](https:\/\/scholar.rose-hulman.edu\/ \"Home\")\n- [Search](https:\/\/scholar.rose-hulman.edu\/do\/search\/advanced\/ \"Search\")\n- [Browse Collections](https:\/\/scholar.rose-hulman.edu\/communities.html \"Browse\")\n- [My Account](https:\/\/scholar.rose-hulman.edu\/cgi\/myaccount.cgi?context= \"My Account\")\n- [About](https:\/\/scholar.rose-hulman.edu\/about.html \"About\")\n- [![DC Network](https:\/\/scholar.rose-hulman.edu\/assets\/md5images\/8e240588cf8cd3a028768d4294acd7d3.png) Digital Commons Network™](https:\/\/network.bepress.com\/ \"Digital Commons Network\")\n\n[Skip to main content](https:\/\/scholar.rose-hulman.edu\/rhumj\/vol7\/iss1\/11\/#main)\n\n[![Rose-Hulman Undergraduate Mathematics Journal](https:\/\/scholar.rose-hulman.edu\/assets\/md5images\/b03fc7384d61d24cf37ac0eedc713ad7.png)](https:\/\/scholar.rose-hulman.edu\/rhumj \"Rose-Hulman Undergraduate Mathematics Journal\")   [![Rose-Hulman Institute of Technology](https:\/\/scholar.rose-hulman.edu\/assets\/md5images\/f7013243f110c6c2475679331cc730bc.png)](https:\/\/www.rose-hulman.edu\/ \"Rose-Hulman Institute of Technology\")\n\n- [Home](https:\/\/scholar.rose-hulman.edu\/ \"Home\")\n- [About](https:\/\/scholar.rose-hulman.edu\/about.html \"About\")\n- [FAQ](https:\/\/scholar.rose-hulman.edu\/faq.html \"FAQ\")\n- [My Account](https:\/\/scholar.rose-hulman.edu\/cgi\/myaccount.cgi?context= \"My Account\")\n\n[Home](https:\/\/scholar.rose-hulman.edu\/) \\> [RHUMJ](https:\/\/scholar.rose-hulman.edu\/rhumj) \\> [Vol. 7 (2006)](https:\/\/scholar.rose-hulman.edu\/rhumj\/vol7) \\> [Iss. 1](https:\/\/scholar.rose-hulman.edu\/rhumj\/vol7\/iss1)\n\n# [Human Face Recognition Technology Using the Karhunen-Loeve Expansion Technique](https:\/\/scholar.rose-hulman.edu\/cgi\/viewcontent.cgi?article=1232&context=rhumj)\n## Authors\n[**Anthony Giordano**, *Regis University*](https:\/\/scholar.rose-hulman.edu\/do\/search\/?q=%28author%3A%22Anthony%20Giordano%22%20AND%20-bp_author_id%3A%5B%2A%20TO%20%2A%5D%29%20OR%20bp_author_id%3A%28%22867f003b-4dd0-4bf7-8728-7d9cbf5a5124%22%29&start=0&context=4752797)[Follow](https:\/\/network.bepress.com\/api\/follow\/subscribe?user=NTI0NmY5OTc4MmRiYzNjNQ%3D%3D&institution=MjRhMTUzODRiN2VkODY4Ng%3D%3D&format=html \"Follow Anthony Giordano\")  \n [**Michael Uhrig**, *Regis University*](https:\/\/scholar.rose-hulman.edu\/do\/search\/?q=author%3A%22Michael%20Uhrig%22&start=0&context=4752797)\n\n## Abstract\nWe will explore the area of face recognition using the partial singular value decomposition of a matrix and test some of its successes and limitations. We constructed a database consisting of 130 pictures of 65 individuals, and then used the Karhunen-Loéve (KL) Expansion method to relate pictures from outside the database to those in the database. While this method was generally very successful, we were able to test and define several of its limitations.\n\n## Author Bio\nAnthony Giordano is currently an undergraduate junior at Regis University, and is pursuing a double major in chemistry and mathematics. He truly enjoyed the opportunity to perform research at Regis University during the summer of 2005. Eventually, Anthony would like to pursue a doctorate in physical\/organic chemistry, and work in a research environment where chemistry and mathematics meld together.\n\nMichael Uhrig will be graduating in May 2006 from Regis University with a major in mathematics and a minor in philosophy. He plans to attend graduate school in mathematics.\n\n## Faculty Sponsor\nJim Seibert\n\n## Recommended Citation\nGiordano, Anthony and Uhrig, Michael (2006) \"Human Face Recognition Technology Using the Karhunen-Loeve Expansion Technique,\" *Rose-Hulman Undergraduate Mathematics Journal*: Vol. 7: Iss. 1, Article 11.   \n Available at: https:\/\/scholar.rose-hulman.edu\/rhumj\/vol7\/iss1\/11\n\n[Download](https:\/\/scholar.rose-hulman.edu\/cgi\/viewcontent.cgi?article=1232&context=rhumj \"PDF (540 KB) opens in new window\")\n\nDOWNLOADS\n\nSince January 15, 2017\n## Share\nCOinS\n\n- [Journal Home](https:\/\/scholar.rose-hulman.edu\/rhumj \"Rose-Hulman Undergraduate Mathematics Journal\")\n- [Editorial Board](https:\/\/scholar.rose-hulman.edu\/rhumj\/editorialboard.html \"Editorial Board\")\n- [Submission Guidelines and Policies](https:\/\/scholar.rose-hulman.edu\/rhumj\/policies.html \"Rose-Hulman Undergraduate Mathematics Journal Policies\")\n- [Sponsor Guidelines](https:\/\/scholar.rose-hulman.edu\/rhumj\/sponsor_guidelines.html \"Sponsor Guidelines\")\n- [Final Manuscript Preparation Guidelines](https:\/\/scholar.rose-hulman.edu\/rhumj\/styleguide.html \"Final Manuscript Preparation Guidelines\")\n\n- [Submit a Paper](https:\/\/scholar.rose-hulman.edu\/cgi\/submit.cgi?context=rhumj \"Submit a Paper to Rose-Hulman Undergraduate Mathematics Journal\")\n- [Receive Email Notices or RSS](https:\/\/scholar.rose-hulman.edu\/rhumj\/announcements.html \"Receive notifications of new content\")\n\n## Search\n[Advanced Search](https:\/\/scholar.rose-hulman.edu\/do\/search\/advanced\/?fq=virtual_ancestor_link:%22https:\/\/scholar.rose-hulman.edu\/rhumj%22)\n\n[*Elsevier - Digital Commons*](https:\/\/www.elsevier.com\/solutions\/digital-commons \"Elsevier - Digital Commons\")\n\n[Home](https:\/\/scholar.rose-hulman.edu\/ \"Home page\")  \\| [About](https:\/\/scholar.rose-hulman.edu\/about.html \"About\")  \\| [FAQ](https:\/\/scholar.rose-hulman.edu\/faq.html \"FAQ\")  \\| [My Account](https:\/\/scholar.rose-hulman.edu\/cgi\/myaccount.cgi?context= \"My Account Page\")  \\| [Accessibility Statement](https:\/\/scholar.rose-hulman.edu\/accessibility.html \"Accessibility Statement\")\n\n[Privacy](http:\/\/www.bepress.com\/privacy.html \"Privacy Policy\")   [Copyright](http:\/\/www.bepress.com\/copyright_infringement.html \"Copyright Policy\")","attrs_readable_markdown":null,"meta_canonical":null}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📄

INDEXABLE

✅

CRAWLED

1 month ago

🤖

ROBOTS ALLOWED

Page Info Filters

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	1 months ago
History drop	PASS	`isNull(history_drop_reason)`	No drop reason
Spam/ban	PASS	`fh_dont_index != 1 AND ml_spam_score = 0`	ml_spam_score=0
Canonical	PASS	`meta_canonical IS NULL OR = '' OR = src_unparsed`	Not set

Page Details

Property	Value
URL	https://scholar.rose-hulman.edu/rhumj/vol7/iss1/11/
Last Crawled	2026-03-21 05:30:05 (1 month ago)
First Indexed	2019-03-26 09:23:00 (7 years ago)
HTTP Status Code	200
Meta Title	"Human Face Recognition Technology Using the Karhunen-Loeve Expansion T" by Anthony Giordano and Michael Uhrig
Meta Description	We will explore the area of face recognition using the partial singular value decomposition of a matrix and test some of its successes and limitations. We constructed a database consisting of 130 pictures of 65 individuals, and then used the Karhunen-Loéve (KL) Expansion method to relate pictures from outside the database to those in the database. While this method was generally very successful, we were able to test and define several of its limitations.
Meta Canonical	null
Boilerpipe Text	Abstract We will explore the area of face recognition using the partial singular value decomposition of a matrix and test some of its successes and limitations. We constructed a database consisting of 130 pictures of 65 individuals, and then used the Karhunen-Loéve (KL) Expansion method to relate pictures from outside the database to those in the database. While this method was generally very successful, we were able to test and define several of its limitations. Author Bio Anthony Giordano is currently an undergraduate junior at Regis University, and is pursuing a double major in chemistry and mathematics. He truly enjoyed the opportunity to perform research at Regis University during the summer of 2005. Eventually, Anthony would like to pursue a doctorate in physical/organic chemistry, and work in a research environment where chemistry and mathematics meld together. Michael Uhrig will be graduating in May 2006 from Regis University with a major in mathematics and a minor in philosophy. He plans to attend graduate school in mathematics. Recommended Citation Giordano, Anthony and Uhrig, Michael (2006) "Human Face Recognition Technology Using the Karhunen-Loeve Expansion Technique," Rose-Hulman Undergraduate Mathematics Journal : Vol. 7: Iss. 1, Article 11. Available at: https://scholar.rose-hulman.edu/rhumj/vol7/iss1/11 DOWNLOADS Since January 15, 2017 COinS
Markdown	- [Home](https://scholar.rose-hulman.edu/ "Home") - [Search](https://scholar.rose-hulman.edu/do/search/advanced/ "Search") - [Browse Collections](https://scholar.rose-hulman.edu/communities.html "Browse") - [My Account](https://scholar.rose-hulman.edu/cgi/myaccount.cgi?context= "My Account") - [About](https://scholar.rose-hulman.edu/about.html "About") - [![DC Network](https://scholar.rose-hulman.edu/assets/md5images/8e240588cf8cd3a028768d4294acd7d3.png) Digital Commons Network™](https://network.bepress.com/ "Digital Commons Network") [Skip to main content](https://scholar.rose-hulman.edu/rhumj/vol7/iss1/11/#main) [![Rose-Hulman Undergraduate Mathematics Journal](https://scholar.rose-hulman.edu/assets/md5images/b03fc7384d61d24cf37ac0eedc713ad7.png)](https://scholar.rose-hulman.edu/rhumj "Rose-Hulman Undergraduate Mathematics Journal") [![Rose-Hulman Institute of Technology](https://scholar.rose-hulman.edu/assets/md5images/f7013243f110c6c2475679331cc730bc.png)](https://www.rose-hulman.edu/ "Rose-Hulman Institute of Technology") - [Home](https://scholar.rose-hulman.edu/ "Home") - [About](https://scholar.rose-hulman.edu/about.html "About") - [FAQ](https://scholar.rose-hulman.edu/faq.html "FAQ") - [My Account](https://scholar.rose-hulman.edu/cgi/myaccount.cgi?context= "My Account") [Home](https://scholar.rose-hulman.edu/) \> [RHUMJ](https://scholar.rose-hulman.edu/rhumj) \> [Vol. 7 (2006)](https://scholar.rose-hulman.edu/rhumj/vol7) \> [Iss. 1](https://scholar.rose-hulman.edu/rhumj/vol7/iss1) # [Human Face Recognition Technology Using the Karhunen-Loeve Expansion Technique](https://scholar.rose-hulman.edu/cgi/viewcontent.cgi?article=1232&context=rhumj) ## Authors [Anthony Giordano, Regis University](https://scholar.rose-hulman.edu/do/search/?q=%28author%3A%22Anthony%20Giordano%22%20AND%20-bp_author_id%3A%5B%2A%20TO%20%2A%5D%29%20OR%20bp_author_id%3A%28%22867f003b-4dd0-4bf7-8728-7d9cbf5a5124%22%29&start=0&context=4752797)[Follow](https://network.bepress.com/api/follow/subscribe?user=NTI0NmY5OTc4MmRiYzNjNQ%3D%3D&institution=MjRhMTUzODRiN2VkODY4Ng%3D%3D&format=html "Follow Anthony Giordano") [Michael Uhrig, Regis University](https://scholar.rose-hulman.edu/do/search/?q=author%3A%22Michael%20Uhrig%22&start=0&context=4752797) ## Abstract We will explore the area of face recognition using the partial singular value decomposition of a matrix and test some of its successes and limitations. We constructed a database consisting of 130 pictures of 65 individuals, and then used the Karhunen-Loéve (KL) Expansion method to relate pictures from outside the database to those in the database. While this method was generally very successful, we were able to test and define several of its limitations. ## Author Bio Anthony Giordano is currently an undergraduate junior at Regis University, and is pursuing a double major in chemistry and mathematics. He truly enjoyed the opportunity to perform research at Regis University during the summer of 2005. Eventually, Anthony would like to pursue a doctorate in physical/organic chemistry, and work in a research environment where chemistry and mathematics meld together. Michael Uhrig will be graduating in May 2006 from Regis University with a major in mathematics and a minor in philosophy. He plans to attend graduate school in mathematics. ## Faculty Sponsor Jim Seibert ## Recommended Citation Giordano, Anthony and Uhrig, Michael (2006) "Human Face Recognition Technology Using the Karhunen-Loeve Expansion Technique," Rose-Hulman Undergraduate Mathematics Journal: Vol. 7: Iss. 1, Article 11. Available at: https://scholar.rose-hulman.edu/rhumj/vol7/iss1/11 [Download](https://scholar.rose-hulman.edu/cgi/viewcontent.cgi?article=1232&context=rhumj "PDF (540 KB) opens in new window") DOWNLOADS Since January 15, 2017 ## Share COinS - [Journal Home](https://scholar.rose-hulman.edu/rhumj "Rose-Hulman Undergraduate Mathematics Journal") - [Editorial Board](https://scholar.rose-hulman.edu/rhumj/editorialboard.html "Editorial Board") - [Submission Guidelines and Policies](https://scholar.rose-hulman.edu/rhumj/policies.html "Rose-Hulman Undergraduate Mathematics Journal Policies") - [Sponsor Guidelines](https://scholar.rose-hulman.edu/rhumj/sponsor_guidelines.html "Sponsor Guidelines") - [Final Manuscript Preparation Guidelines](https://scholar.rose-hulman.edu/rhumj/styleguide.html "Final Manuscript Preparation Guidelines") - [Submit a Paper](https://scholar.rose-hulman.edu/cgi/submit.cgi?context=rhumj "Submit a Paper to Rose-Hulman Undergraduate Mathematics Journal") - [Receive Email Notices or RSS](https://scholar.rose-hulman.edu/rhumj/announcements.html "Receive notifications of new content") ## Search [Advanced Search](https://scholar.rose-hulman.edu/do/search/advanced/?fq=virtual_ancestor_link:%22https://scholar.rose-hulman.edu/rhumj%22) [Elsevier - Digital Commons](https://www.elsevier.com/solutions/digital-commons "Elsevier - Digital Commons") [Home](https://scholar.rose-hulman.edu/ "Home page") \\| [About](https://scholar.rose-hulman.edu/about.html "About") \\| [FAQ](https://scholar.rose-hulman.edu/faq.html "FAQ") \\| [My Account](https://scholar.rose-hulman.edu/cgi/myaccount.cgi?context= "My Account Page") \\| [Accessibility Statement](https://scholar.rose-hulman.edu/accessibility.html "Accessibility Statement") [Privacy](http://www.bepress.com/privacy.html "Privacy Policy") [Copyright](http://www.bepress.com/copyright_infringement.html "Copyright Policy")
Readable Markdown	null
Shard	96 (laksa)
Root Hash	1958369652824360096
Unparsed URL	edu,rose-hulman!scholar,/rhumj/vol7/iss1/11/ s443