PLDs contributing common errors in LRMI'(CCi)
| Rank | Year | PLD | #Errors | %Errors |
| Top-10 according to total errors | ||||
| 1 | 2013 | merlot.org | 21473 | 5.00 |
| 2014 | bcdb.com | 44325 | 1.40 | |
| 2015 | expedia.co.uk | 346386 | 3.80 | |
| 2 | 2013 | colorado.edu | 16601 | 4.70 |
| 2014 | colorado.edu | 18948 | 4.70 | |
| 2015 | penguin.com | 337145 | 10.50 | |
| 3 | 2013 | mit.edu | 12006 | 12.70 |
| 2014 | merlot.org | 15423 | 4.50 | |
| 2015 | expedia.com | 323151 | 4.00 | |
| 4 | 2013 | brainpop.com | 5319 | 0.90 |
| 2014 | brainpop.com | 6973 | 1.00 | |
| 2015 | stanford.edu | 288250 | 88.10 | |
| 5 | 2013 | curriki.org | 2326 | 6.20 |
| 2014 | mit.edu | 6292 | 6.90 | |
| 2015 | expedia.ca | 94650 | 4.10 | |
| 6 | 2013 | bbc.co.uk | 1752 | 75.00 |
| 2014 | sabah.com.tr | 5095 | 2.70 | |
| 2015 | travelocity.com | 68791 | 3.30 | |
| 7 | 2013 | cteonline.org | 1499 | 8.00 |
| 2014 | slideserve.com | 3048 | 3.00 | |
| 2015 | hotelnorling.com | 54969 | 57.10 | |
| 8 | 2013 | thehackernews.com | 811 | 0.80 |
| 2014 | lap.hu | 2705 | 2.20 | |
| 2015 | colorado.edu | 32065 | 4.50 | |
| 9 | 2013 | oercommons.org | 548 | 3.40 |
| 2014 | curriki.org | 2631 | 6.00 | |
| 2015 | expedia.co.nz | 30387 | 4.20 | |
| 10 | 2013 | sohu.com | 230 | 16.90 |
| 2014 | kijk.nl | 1506 | 11.90 | |
| 2015 | expedia.fr | 25665 | 2.90 | |
| Rank | Year | PLD | #Errors | %Errors |
| Top-10 according to error rate | ||||
| 1 | 2013 | bbc.co.uk | 1752 | 75.00 |
| 2014 | saraspublication.com | 14 | 41.20 | |
| 2015 | veeam.com | 2465 | 96.30 | |
| 2 | 2013 | geonetric.com | 10 | 31.30 |
| 2014 | ditecinternational.com | 22 | 39.30 | |
| 2015 | ultracleantech.com | 819 | 92.60 | |
| 3 | 2013 | pjjk.net | 12 | 27.30 |
| 2014 | football-soccer-camps.com | 15 | 38.50 | |
| 2015 | teachersnotebook.com | 6319 | 90.00 | |
| 4 | 2013 | tlsbooks.com | 13 | 19.70 |
| 2014 | weightlossnyc.com | 25 | 29.40 | |
| 2015 | stanford.edu | 288250 | 88.10 | |
| 5 | 2013 | davidfisco.com | 7 | 17.90 |
| 2014 | timothylutheran.net | 8 | 27.60 | |
| 2015 | rubiksolve.com | 17 | 85.00 | |
| 6 | 2013 | sohu.com | 230 | 16.90 |
| 2014 | pjjk.net | 12 | 27.30 | |
| 2015 | bbclinksmachine.appspot.com | 9 | 81.80 | |
| 7 | 2013 | gemistvoornmt.nl | 56 | 12.80 |
| 2014 | transformerland.com | 7 | 25.90 | |
| 2015 | uelzena.de | 91 | 79.80 | |
| 8 | 2013 | mit.edu | 12006 | 12.70 |
| 2014 | empiretoday.com | 9 | 23.70 | |
| 2015 | medmal1.com | 121 | 71.20 | |
| 9 | 2013 | 815seo.com | 4 | 11.80 |
| 2014 | milwaukeeprec.com | 25 | 23.60 | |
| 2015 | bbc.co.uk | 14713 | 71.00 | |
| 10 | 2013 | lightwire.co.nz | 2 | 11.10 |
| 2014 | artnc.org | 9 | 19.10 | |
| 2015 | indiessance.blogspot.com | 222 | 59.00 | |
Top-10 undefined types and properties in LRMI'(CCi)
| Rank | Year | Type | #Quads | #PLDs | Property | #Quads | #PLDs |
| 1 | 2013 | EducationalEvent | 6,004 | 1 | useRightsUrl | 22,067 | 9 |
| 2014 | organization | 3,047 | 1 | productioncompany | 30,999 | 1 | |
| 2015 | offer | 100,516 | 1 | isbasedonurl | 952,889 | 37 | |
| 2 | 2013 | UserComment | 20 | 1 | offer | 10,788 | 1 |
| 2014 | Therapist | 25 | 1 | useRightsUrl | 22,582 | 6 | |
| 2015 | headline | 6,724 | 1 | useRightsUrl | 28,676 | 7 | |
| 3 | 2013 | CompetencyObject | 4 | 1 | rating | 8,091 | 1 |
| 2014 | UserComment | 23 | 1 | alternatename | 13,325 | 1 | |
| 2015 | URL | 693 | 1 | intendedEndUserRole | 8,434 | 3 | |
| 4 | 2013 | Webpage | 2 | 1 | intendedEndUserRole | 6,696 | 6 |
| 2014 | learningResourceType | 21 | 1 | offer | 8,539 | 1 | |
| 2015 | webpage | 360 | 1 | embedURL | 7,440 | 5 | |
| 5 | 2013 | about | 1 | 1 | inlanguage | 2,659 | 1 |
| 2014 | EducationalEvent | 19 | 1 | intendedEndUserRole | 7,045 | 3 | |
| 2015 | musicrecording | 296 | 1 | company | 6,871 | 1 | |
| 6 | 2013 | brand | 1 | 1 | useRightsURL | 2,659 | 1 |
| 2014 | breadcrumb | 18 | 1 | Description | 5,093 | 1 | |
| 2015 | comment | 288 | 1 | tel | 6,871 | 1 | |
| 7 | 2013 | creativework | 1 | 1 | articlesection | 810 | 1 |
| 2014 | CompetencyObject | 4 | 1 | rating | 4,757 | 1 | |
| 2015 | itemList | 48 | 1 | PartOfTVSeries | 6,775 | 1 | |
| 8 | 2013 | mediaType | 803 | 3 | |||
| 2014 | Webpage | 3 | 1 | inlanguage | 3,486 | 1 | |
| 2015 | Webpage | 34 | 1 | offer | 6,740 | 1 | |
| 9 | 2013 | numtracks | 167 | 1 | |||
| 2014 | BlogPost | 1 | 1 | useRightsURL | 3,486 | 1 | |
| 2015 | UserComment | 28 | 1 | alignmentFramework | 4,912 | 1 | |
| 10 | 2013 | contentURL | 61 | 3 | |||
| 2014 | EducationalOrganisation | 1 | 1 | mediaType | 350 | 1 | |
| 2015 | Worksheet | 28 | 1 | nrctaxa | 4,912 | 1 |