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Unresolved source errors and ambiguities

Version 2 · 30 October 2026. Source references use physical PDF page numbers. All 201 supplied pages received individual source comparison. Original source issues remain distinct from transcription corrections.

SRC1-001 · PDF page 17 · source issue

Original source page 17

Chapter 3 describes the history of expert systems and case-based reasoning. Chapter 4 describes the history of academic advisement

Printed section1.3 numbers the remaining chapters3–6 although physical chapter headings are2–5. Original numbering retained; do not silently renumber this historical prose.

PRESERVE_AS_PRINTED

SRC1-002 · PDF page 22 · source issue

Original source page 22

The needs to approximate a function of interest is often due

Grammatical number mismatch is printed in source; proofreading does not rewrite the author’s sentence.

PRESERVE_AS_PRINTED

SRC1-003 · PDF page 22 · source issue

Original source page 22

reasons, First

Comma and capital First are printed; no punctuation modernization applied.

PRESERVE_AS_PRINTED

SRC1-004 · PDF page 22 · source issue

Original source page 22

in its previse mathematical form

previse is visibly printed, not an OCR substitution. Intended word is not silently supplied.

PRESERVE_AS_PRINTED

SRC1-005 · PDF page 22 · source issue

Original source page 22

which allows the output of interpolative reasoning, can be viewed

Syntactically incomplete construction is in the printed source. Missing intended wording cannot be recovered from this page.

PRESERVE_AS_PRINTED

SRC1-006 · PDF page 24 · source issue

Original source page 24

The logic inferences can e briefly illustrated here

Printed source lacks b in be; preserve source error rather than presenting it as an OCR repair.

PRESERVE_AS_PRINTED

SRC1-007 · PDF page 25 · source issue

Original source page 25

Other approaches fro reasoning under uncertainty

fro is printed; source spelling retained.

PRESERVE_AS_PRINTED

SRC1-008 · PDF page 25 · source issue

Original source page 25

four principle facets

principle is printed; no editorial substitution to principal.

PRESERVE_AS_PRINTED

SRC1-009 · PDF page 31 · source issue

Original source page 31

The MRM proved was less restrictive than SF2

The printed wording contains both proved and was; do not silently rewrite this historical claim.

PRESERVE_AS_PRINTED

SRC1-010 · PDF page 31 · source issue

Original source page 31

a combination preferences and diversification

Source contains no of after combination. Intended missing word not silently supplied.

PRESERVE_AS_PRINTED

SRC1-011 · PDF page 31 · source issue

Original source page 31

Short and Fukunaga [35]

Printed author/citation pairing retained. Bibliography35 is Shortliffe, not the named pair; the intended reference is unresolved from this source alone.

PRESERVE_AS_PRINTED

SRC1-012 · PDF page 31 · source issue

Original source page 31

Blanzieri and Ricci [5]

Printed author/citation pairing retained. Bibliography5 is Branting; a unique intended match is not established by this page.

PRESERVE_AS_PRINTED

SRC1-013 · PDF page 31 · source issue

Original source page 31

Goker and Thompson [15]

Printed author/citation pairing retained. Bibliography15 names Göker and Roth-Berghofer, not Thompson; intended reference remains unresolved.

PRESERVE_AS_PRINTED

SRC1-014 · PDF page 46 · source issue

Original source page 46

Kinley [23]

Kinley is visibly printed, but bibliography23 names Kolodner. It is unclear whether the author name or reference number was intended; preserve body and flag ambiguity.

PRESERVE_AS_PRINTED

SRC1-015 · PDF page 50 · source issue

Original source page 50

compliment the kind of support the system provides

compliment is printed; contextual complement is not silently substituted.

PRESERVE_AS_PRINTED

SRC1-016 · PDF page 52 · source issue

Original source page 52

the new case is retrained

retrained is printed. Context may suggest retained, but this remains a source error/ambiguity rather than an OCR repair.

PRESERVE_AS_PRINTED

SRC1-017 · PDF page 51 · source issue

Original source page 51

[Copyright Material Omitted]

The deposited PDF has redacted the diagram. Only the surrounding source text and caption can be proofread against this PDF; the user-supplied modern diagram is a labelled reconstruction, not a pixel-certified recovery.

RETAIN_REDACTION_PROVENANCE_AND_LABEL_REPLACEMENT

SRC1-018 · PDF page 59 · source issue

Original source page 59

2_1^D x 2_2^D x ... x 2_k^D

The printed indices1,2,k sit below base2 while D is superscript. Context may intend powersets of indexed domains2^{D_i}; the page does not establish whether this is a source typesetting error. Preserve the printed positions in the body and keep interpretation separate.

PRESERVE_LITERAL_PRINTED_NOTATION

SRC1-019 · PDF page 28 · source issue

Original source page 28

many may lay claim the philosophical roots of CBR

The printed phrase omits a preposition after claim. Preserve the source wording rather than inserting an inferred to.

PRESERVE_AS_PRINTED

SRC1-020 · PDF page 28 · source issue

Original source page 28

In another word, scripts provide only one kind of knowledge

Singular word is printed; no substitution to words is made.

PRESERVE_AS_PRINTED

SRC1-021 · PDF page 35 · source issue

Original source page 35

“Linux” and “Microprocessor” belongs

The printed plural subject is followed by belongs. This grammatical source error is retained.

PRESERVE_AS_PRINTED

SRC1-022 · PDF page 63 · source issue

Original source page 63

unless specifically requested to do.

The printed sentence ends to do.; a possible omitted so is not supplied.

PRESERVE_AS_PRINTED

S069-001 · PDF page 69 · source issue

Original source page 69

Western Washington University / At West Washington University

The source heading says Western Washington but its following sentence says West Washington. Both are faithfully retained; no silent factual correction.

PRESERVE_SOURCE

S074-001 · PDF page 74 · source issue

Original source page 74

the systems must posses a large number

The source prints posses with one final s. Apparent source spelling error, preserved rather than silently changed to possess.

PRESERVE_SOURCE

S075-001 · PDF page 75 · source issue

Original source page 75

such as courses substitutions

This plural wording appears in the source; it is not an OCR insertion and is retained.

PRESERVE_SOURCE

S083-001 · PDF page 83 · source issue

Original source page 83

Students want confident advices to their academic profile and preference

The source visibly prints advices. This wording is preserved rather than grammatically rewritten.

PRESERVE_SOURCE

S084-001 · PDF page 84 · source issue

Original source page 84

This block structure enables they easy tracking

The scan itself prints they, not the. Retain the source typo and distinguish it from transcription corrections.

PRESERVE_SOURCE

S086-001 · PDF page 86 · source issue

Original source page 86

Students should finish within a minimum time of four years

The source says minimum, despite within. The intended rule is not resolved by transcription; preserve the original wording.

PRESERVE_SOURCE

S089-001 · PDF page 89 · source issue

Original source page 89

the number of year since teaching the first class or a particular course

The scan prints year and or. These apparent source wording errors are retained; neither is silently changed during proofreading.

PRESERVE_SOURCE

S096-001 · PDF page 96 · source issue

Original source page 96

INT contains five sub-attributes / (DSP, OPTIC, MWAVE, WLESS, NTWRK, SATEL)

The exposition says five but the listed early-algorithm vector on the same page has six fields, including WLESS. This may reflect different prototype versions; retain both rather than silently reconcile.

PRESERVE_SOURCE_VERSION_DISTINCTION

S097-001 · PDF page 97 · source issue

Original source page 97

10% HD, 20% DI, 30% CR, 20% PA and 20% NN ... cumulative percent of DI is 20% and for CR is 60%

The printed DI cumulative value is20%, although adding the displayed HD and DI percentages would give30%. Preserve the published20%; this is a source arithmetic/convention issue, not an OCR correction.

PRESERVE_PRINTED_VALUES

S100-001 · PDF page 100 · source issue

Original source page 100

a set of simpler decision to be made one at a time

The source prints singular decision. Preserve it rather than inserting a plural during transcription.

PRESERVE_SOURCE

S101-001 · PDF page 101 · source issue

Original source page 101

converts this structure into generic attributes and left specific streams or courses from consideration

The source visibly says left. Intended wording is not inferred or silently edited.

PRESERVE_SOURCE

S101-002 · PDF page 101 · source issue

Original source page 101

An attribute of how popular each past advice is students should be stored

This malformed sentence is present in the scan; it is not caused by OCR. Preserve and flag as a source wording issue.

PRESERVE_SOURCE

S102-001 · PDF page 102 · source issue

Original source page 102

take precedent over

The source uses precedent rather than precedence in four occurrences across the finalthreebullets. Preserve the printed wording.

PRESERVE_SOURCE

S104-001 · PDF page 104 · source issue

Original source page 104

Students must pick one from each set

The preceding sentence names second-/third-year free-elective sets, while the next page specifies two third-year free electives. Preserve this potentially inconsistent source instruction rather than harmonize counts.

PRESERVE_SOURCE

S105-001 · PDF page 105 · source issue

Original source page 105

Pick 2 stream elective from

The source uses singular elective after2. Retain source wording.

PRESERVE_SOURCE

S109-001 · PDF page 109 · source issue

Original source page 109

Fibre Optics [tiny trailing mark]

A tiny irregular mark follows Fibre Optics at midline height. The scan does not establish whether it is an intentional middle dot or scanning debris. Currentv1OCR rendered it as a second bullet. No forced character correction is made; all other text on this page is readable and checked.

PRESERVE_IMAGE_AND_ROUTE_SINGLE_MARK_FOR_REVIEW

S113-001 · PDF page 113 · source issue

Original source page 113

Without using DIFF ... outcomes for each of DIFF, CHAR, AVG, and EFFYR

The source excludes DIFF in its opening clause but includes DIFF in the four-factor list. Do not replace it with an inferred attribute; retain the printed statement.

PRESERVE_SOURCE

S116-001 · PDF page 116 · source issue

Original source page 116

the Grade-per-Average will be apparently the same

The source visibly calls this Grade-per-Average, not Grade Point Average. Preserve the source term rather than silently substituting a conventional expansion.

PRESERVE_SOURCE

S119-001 · PDF page 119 · source issue

Original source page 119

Figure4-2 operation punctuation, visibility icons and upper cardinality

The original diagram is small and degraded. Enlarged432dpi inspection resolves label words but not every operation suffix/cardinality symbol. Currentv1linear OCR is plainly garbled and should not be treated as source prose.

RETAIN_ORIGINAL_IMAGE_AND_EXPLICIT_UNCERTAINTY

S120-001 · PDF page 120 · source issue

Original source page 120

Prequisite

The entity title is visibly spelled Prequisite in the source. Do not silently correct the originaldiagram to Prerequisite.

PRESERVE_SOURCE

S121-001 · PDF page 121 · source issue

Original source page 121

Figure4-4 left and right edge boxes

The original embedded diagram clips the initial glyph of the left return-loop label and the last glyph(s) of the final recommendation label. This is source clipping, not the reconstructed image crop. ExistingOCR additionally garbles several complete labels.

RETAIN_ORIGINAL_IMAGE_AND_EXPLICIT_UNCERTAINTY

S124-001 · PDF page 124 · source issue

Original source page 124

possible as well as necessary ... interval [2.10, 2.30]

The preceding page states Jack’s possible GPA interval is2.00–2.50. The source nevertheless calls membership in the narrower2.10–2.30interval necessary. Retain this source reasoning inconsistency; do not change bounds or truth claims during transcription.

PRESERVE_SOURCE

S125-001 · PDF page 125 · source issue

Original source page 125

possibility degree fro student J ... “poor student,”:

The source visibly prints fro and the comma inside the quoted condition followed by a colon. Preserve both as source wording/punctuation.

PRESERVE_SOURCE

S125-002 · PDF page 125 · source issue

Original source page 125

General Equation2 on printed114 versus worked necessity example on printed115

Equation2 places the complement on the membership expression. The worked example explicitly computes1−Π_marks(J) and combines that complement with membership values. Preserve the source-level discrepancy; no mathematical convention is silently reconciled.

PRESERVE_SOURCE_FORMULAS

S127-001 · PDF page 127 · source issue

Original source page 127

there should be a based value

The source prints based, not base. Preserve the printed term.

PRESERVE_SOURCE

ROOT-SRC128-001 · PDF page 128 · source issue

Original source page 128

electives that have and increased perceived difficulty level

The word and is clearly printed in the source where an would be expected. Retain the historical wording; no silent grammatical correction.

PRESERVE_AS_PRINTED

ROOT-SRC134-001 · PDF page 134 · source issue

Original source page 134

as seen in table 4-5

The source refers to table 4-5 while the corresponding object on physical page138 is captioned Figure 4-5. Preserve the source cross-reference label; record the mismatch separately.

PRESERVE_AS_PRINTED

P136-E001 · PDF page 136 · source_grammar

Original source page 136

The next and final advice would OM3 / The discrepancy may be result

Both incomplete constructions are visibly printed. Preserve; do not add be or rewrite grammar.

Retain source; issue unresolved.

P137-E002 · PDF page 137 · source_duplicate_recommendation

Original source page 137

M4, S8, and D1 (with M4 available as the next ranked choice)

M4 appears both in the recommended set and as next-ranked choice in the source. Intended alternative cannot be inferred; preserve.

Retain source; issue unresolved.

P138-E003 · PDF page 138 · source_cross_reference

Original source page 138

Table D-3 / table4-5 / Figure4-5

The source prose refers to Table D-3 and table4-5 while the displayed object is captioned Figure4-5; preserve original labels pending source-author clarification.

Retain source; issue unresolved.

P138-E004 · PDF page 138 · source_rounded_totals

Original source page 138

First Figure4-5 group's printed totals 7.574,7.508,7.772

These printed totals are visibly correct transcription but differ from sums of rounded displayed rows. Preserve printed values, retain editorial explanation.

Retain source; issue unresolved.

P139-E005 · PDF page 139 · source_grammar

Original source page 139

The next three courses ... are OM3 ... are not recommended

The word are before OM3 is visibly printed rather than and. Preserve the original construction.

Retain source; issue unresolved.

P140-E006 · PDF page 140 · source_word_choice

Original source page 140

S8 should have a higher precedent over D1 and O2

The source prints precedent, not precedence. Preserve rather than silently edit the author's wording.

Retain source; issue unresolved.

P145-E007 · PDF page 145 · source_pagination_gap

Original source page 145

Printed page134 is followed by printed page136

The original scan was visually inspected at both adjoining pages144/145. Text on134 ends a complete paragraph;136 begins section4.8.2.2.3. There is no physical scan labelled135. Original mispagination versus an omitted source page cannot be established; no replacement content may be invented.

Retain source; issue unresolved.

P143-E008 · PDF page 143 · source_reference_unresolved

Original source page 143

(Stolpmann & Wess,1999)

The citation is clearly printed. Existing bibliography review found no exact matching1999 entry; preserve the citation and keep bibliographic resolution separate.

Retain source; issue unresolved.

P149-E009 · PDF page 149 · source_grammar

Original source page 149

dynamic, institution environments

The comma and institution are printed in the original. Preserve wording instead of changing to institutional.

Retain source; issue unresolved.

P148-E010 · PDF page 148 · historical_author_wording

Original source page 148

including its features / None of these are serious limitations

These statements are original wording, including the repetition and the author's interpretation of limitations. They are preserved, not rewritten or promoted to new validation claims.

Retain source; issue unresolved.

P152-E011 · PDF page 152 · source_grammar

Original source page 152

some combination or the two

The original visibly prints or rather than of. Preserve.

Retain source; issue unresolved.

P153-E012 · PDF page 153 · source_word_choice

Original source page 153

the directly generated rules can be changed together

The source prints changed, not chained. Do not silently substitute the technically expected word.

Retain source; issue unresolved.

P156-E013 · PDF page 156 · source_spelling

Original source page 156

core courses and perquisites

The original visibly prints perquisites, not prerequisites. Preserve source wording.

Retain source; issue unresolved.

P156-E014 · PDF page 156 · source_grammar

Original source page 156

and may be according to whether rules and cases

This incomplete construction is in the printed source; do not invent a missing verb.

Retain source; issue unresolved.

P158-E015 · PDF page 158 · source_mathematical_notation

Original source page 158

Entropy(S) = S -p(I) log2 p(I); S is over c

The original visibly prints Latin S rather than a summation glyph and baseline log2, while prose also calls S the sample set. Intended summation semantics cannot justify silently replacing the printed notation with Σ or adding limits.

Retain source; issue unresolved.

P162-E016 · PDF page 162 · source_bibliographic_punctuation

Original source page 162

[19] ‘Policy making ... two-year colleges.

No closing quote is visible before the period/journal title; do not invent it.

Retain source; issue unresolved.

P162-E017 · PDF page 162 · source_bibliographic_name

Original source page 162

[23] Kolodner, Jane1993

Jane is clearly printed in the source. Preserve even though separate publisher research identifies Janet.

Retain source; issue unresolved.

P161-E018 · PDF page 161 · source_bibliographic_wording

Original source page 161

[13] Journal of the Operation Research Society

The source prints Operation, not Operational; preserve the title as printed.

Retain source; issue unresolved.

P163-E019 · PDF page 163 · source_bibliographic_metadata

Original source page 163

[26]1991 and Spring-Verlag; [30]234.248; [32]1975

All three suspicious dates/publisher/span forms are visibly printed. Separate publisher checks must not overwrite the historical bibliography.

Retain source; issue unresolved.

P163-E020 · PDF page 163 · source_bibliographic_wording

Original source page 163

[28] advises load / [29] opening quote without closing quote

Both are visible source forms. Preserve rather than changing advises to advisee or adding punctuation.

Retain source; issue unresolved.

P166-E021 · PDF page 166 · source_classification_wording

Original source page 166

two types / expert users, intermediate users, novice users / both types

The source names three user categories while using two/both in surrounding prose. Preserve the author's text rather than reconciling the classification.

Retain source; issue unresolved.

P167-E022 · PDF page 167 · source_domain_wording

Original source page 167

success of the help desk project

The source expressly says help desk project within the academic-advising appendix. Preserve rather than substituting the thesis domain.

Retain source; issue unresolved.

P168-E023 · PDF page 168 · source_grammar

Original source page 168

It may useful to define four roles

The source omits be. Do not add it to the faithful transcription.

Retain source; issue unresolved.

P170-E024 · PDF page 170 · source_wording_and_reference

Original source page 170

Collecting enough help desk cases / (Richter,1998)

Both forms are visible. Preserve help desk; Richter1998 has no matching entry in the original48-entry bibliography, so intended source is unresolved.

Retain source; issue unresolved.

P171-E025 · PDF page 171 · source_reference_placeholder

Original source page 171

[HOMER system]

Literal bracketed text is printed instead of a numbered bibliographic citation. Preserve; no source entry is inferred.

Retain source; issue unresolved.

P172-E026 · PDF page 172 · source_reference_unresolved

Original source page 172

(Thomas et al.,1997)

The citation is clearly printed; the original bibliography has no matching Thomas entry. Preserve and report separately.

Retain source; issue unresolved.

P173-E027 · PDF page 173 · source_data_header_mismatch

Original source page 173

15 header labels versus16 values in every data row

All50 rows across173–174 contain16 printed values, while the source header names15 fields. The first value is0 in these rows, but no header names it. Do not silently discard it, invent ID as its name, or shift fields under unsupported labels.

Retain source; issue unresolved.

P175-E028 · PDF page 175 · historical_code_form

Original source page 175

<?

The source uses the short PHP opening tag. Preserve; do not modernize to <?php or claim the listing runs on current PHP.

Retain source; issue unresolved.

P180-E029 · PDF page 180 · historical_code_label_typo

Original source page 180

Prequisite

The source HTML cell label is misspelled Prequisite. Preserve its literal value.

Retain source; issue unresolved.

P182-E030 · PDF page 182 · historical_code_string_typo

Original source page 182

occurrances

Misspelling is visibly printed inside the printf literal. Preserve.

Retain source; issue unresolved.

P182-E031 · PDF page 182 · historical_code_dependency

Original source page 182

include("prepend.inc");

Source explicitly names prepend.inc, while this excerpt labels the earlier file Functions.inc. Do not substitute filenames or infer missing dependency contents.

Retain source; issue unresolved.

P183-E032 · PDF page 183 · historical_code_print_wrapping

Original source page 183

PRFM wraps between P and RFM inside quoted array keys

The PDF visibly breaks these long statements inside string literals. Physical line breaks are retained; their relationship to the original executable file's newlines cannot be established from the scan alone.

Retain source; issue unresolved.

P184-E033 · PDF page 184 · historical_code_dependency

Original source page 184

include("append.inc");

The source refers to an external append.inc file whose contents are not provided by this listing. Preserve the dependency; do not synthesize it.

Retain source; issue unresolved.

P186-E034 · PDF page 186 · historical_code_comment_typo

Original source page 186

Correlaton & Diff of Means

The enlarged source crop clearly prints Correlaton, without the second i of Correlation. Preserve the original typo.

Retain source; issue unresolved.

P186-E035 · PDF page 186 · historical_code_print_wrapping

Original source page 186

SATEL and N6 split across physical print lines

Source wraps long statements inside keys/string delimiters. Physical wraps are preserved; they do not establish executable script newline boundaries.

Retain source; issue unresolved.

P187-E036 · PDF page 187 · source_algorithm_values

Original source page 187

interest weight5/7 and characteristic weight2/7

These weights are explicitly printed in code and comment. Preserve them; do not reconcile to a different narrative weighting or an expected formula.

Retain source; issue unresolved.

P191-E037 · PDF page 191 · historical_code_cross_array_sort

Original source page 191

array_multisort($advice1...,$advice3['WEIGHT_SUM']...) and array_multisort($advice2...,$advice3['WEIGHT_SUM']...)

The original source explicitly uses advice3 weights when sorting advice1 and advice2 percentage arrays. Preserve this apparent source bug; do not substitute matching advice1/advice2 weights.

Retain source; issue unresolved.

P192-E038 · PDF page 192 · historical_code_string_grammar

Original source page 192

courses ... due to its / other possible courses student may consider

These grammatical forms occur in the original displayed strings. Preserve their literal text.

Retain source; issue unresolved.

P194-E039 · PDF page 194 · source_clipped_column

Original source page 194

Rightmost header and correlation rows1–9

Original scan ends within the rightmost header and glyphs. Enlarged original-pixel strip confirms clipping. Missing values are null and must not be inferred from code,other tables or a binary-domain assumption.

Retain source; issue unresolved.

P195-E040 · PDF page 195 · source_clipped_column

Original source page 195

Rightmost column in6 distance-continuation and10 trivialIR rows

Source crop removes or truncates the rightmost data glyphs. Preserve null cells and the source image; no imputation.

Retain source; issue unresolved.

P193-E041 · PDF page 193 · source_marker_semantics

Original source page 193

TableD-1 row5 '(2)' markers

The markers are visibly printed in two cells and preserved. Their meaning is not stated on the page and is not inferred.

Retain source; issue unresolved.

P196-E042 · PDF page 196 · source_screen_label_typo

Original source page 196

Prequisite

The screen tables visibly use this spelling, matching the source PHP output string; retain it.

Retain source; issue unresolved.

P197-E043 · PDF page 197 · source_missing_or_invisible_label

Original source page 197

Blank second color label before denotes courses that are not recommended

Original pixels and enlarged crop show no legible label in this position. The PHP listing on192 suggests ORANGE, but that is separate evidence and cannot replace the missing visible source label. Preserve the gap with an editorial note.

Retain source; issue unresolved.

P197-E044 · PDF page 197 · source_output_wording

Original source page 197

occurrances / courses ... its

These spellings and grammatical forms are printed throughout the result text on197–199. They are deliberately preserved.

Retain source; issue unresolved.