Cue explained
What Cue does with your documents, and what you get out of it.
by
The problem
A building is thousands of files
Search finds words, not things
GU-Vertrag_Lindenhof.pdf General contractor agreement · 80 pages Generalunternehmer: Nordbau AG
Protokoll_Baubesprechung_07.docx Site meeting minutes NORDBAU AG. bestätigt den Termin
RE: Brandschutztüren 2. OG.eml Email Gruss, Nordbau Projektleitung
Raumbuch_Haus_A.xlsx Room schedule 2.40 · Büro · 24,6 m²
LH-A-ARC-02-GR-0012.dwg Floor plan · CAD Tür T-2.40.1 · EI30
LH-A-ARC-02-GR-0012.pdf Plotted drawing set Raum 2.40 · 2. OG
Lindenhof_ARC.ifc Architectural model IfcSpace “2.40 ”
Raumbuch_Haus_B.xlsx Room schedule 2.40 · Lager · 11,2 m²
Lease_Cafe_Morgenrot.pdf Lease agreement · scan Tenant: Café Morgenrot GmbH
TDD_Report_Lindenhof.pdf Technical due diligence Unit EG-A-01, Cafe Morgenrot
Türliste_Haus_A.pdf Door schedule Frist 2026-04-12
Inspection_report_roof.pdf Inspection report Inspected on 12.04.2026
Nordbau
GU-Vertrag_Lindenhof.pdf … Generalunternehmer: Nordbau AG …
Jahresbericht_Nordbau_Immobilien.pdf … Nordbau Immobilien GmbH, Verwaltung …
a different company
Protokoll_Baubesprechung_07.docx … NORDBAU AG. bestätigt …
the same one?
Matches for a word. Not one company, one room or one tenant.
The promise
Cue reads everything
Your documents
Contracts, leases PDF · scans
Drawings DWG · PDF
Models IFC
Minutes, emails DOCX · EML · XLSX
Things they are about
Nordbau AG
Room 2.40
Door T-2.40.1
Café Morgenrot GmbH
Unit EG-A-01
Cue Index
one connected index of the whole project
Ask in the AI assistant you already use
Build apps on top of the index
Stop searching. Start asking.
The running example
Lindenhof
Mixed-use, 1990s. Two wings. Being refurbished and extended.
Haus A
Haus B
flats
offices
shops
extension
Helix Real Estate Fund Owner
Anna Keller Portfolio manager
Nordbau AG General contractor, refurbishment
Café Morgenrot GmbH Tenant, ground floor Haus A, unit EG-A-01
Kessler Consulting AG Tenant, offices Haus B
Residential tenants Flats in both wings
1 Create2 Define3 Upload4 Ask+ Build
1 Create a project
A project in the Cue portal
Projects Helix Real Estate Fund
1 Create a project
Everything is scoped to the project
Lindenhof DE · EN
one construction project
or
one asset in a portfolio
Documents what you upload
Vocabulary what Cue looks for
Index what Cue builds
Cue asks first
What should Cue look for here?
Next: Cue Tuner
2 Tell Cue what matters · Cue Tuner
You decide what counts as a thing
Cue Tuner Lindenhof · vocabulary
Category Known values
Organisation Nordbau AG Helix Real Estate Fund …
Person Anna Keller …
Room 2.40 2.41 …
Door T-2.40.1 …
Project phase Feasibility Concept Tender …
Discipline ARC TWP HLK ELE
Three ways to build it
1 Use the standard template ready-made catalogues
2 Tailor it with your classification your numbering scheme
3 Tailor it from examples files, or a description
2 Route 1 · The standard template
Ready-made catalogues from QAECY
General
People Organisations Addresses Dates Emails Phone numbers Project IDs File references
Construction process
Activities Cost items Durations Equipment Materials Schedules Disciplines Project phases
Contract
Contracts Contract conditions Obligations Contract roles
Design
Buildings Storeys Rooms Units Walls Doors Windows Slabs Stairs Façades Drawing sheets Scales Drawing types Revisions Design statuses
Use standard template
about 0 categories ready in one click
PRELOADED · PROJECT PHASES
Feasibility Concept Preliminary Detailed design Tender Construction Handover Operation
PRELOADED · DESIGN STATUSES
Draft For review For approval For construction As built Superseded
RECOGNISED ON ITS OWN · ABOUT 46 DOCUMENT TYPES
Construction contract Lease agreement Due diligence report Inspection report Maintenance log Requirements document Architectural design document …
2 Route 2 · Your classification
Your numbering becomes vocabulary
LH - A - ARC - 02 - GR - 0012
Asset LH Lindenhof
Wing A Haus A A · B
Discipline ARC Architecture ARC · TWP · HLK · ELE
Storey 02 2nd floor 00 · 01 · 02 · 03 · 04
Document type GR Floor planGrundriss GR · SN · AN · DT
Number 0012 running number
Preview nothing applied yet Apply
LH-A-ARC-02-GR-0012.pdf file name Haus A Architecture 2nd floor Floor plan
LH-B-HLK-01-SN-0003.dwg file name Haus B HVAC 1st floor Section
Scan_0419.pdf in the text Haus A Architecture 2nd floor Floor plan
Notizen_Begehung.docx no code found
2 Route 3 · From examples or a description
Cue proposes what to track
A few typical files
Lease_Cafe_Morgenrot.pdf lease
Mietvertrag_Kessler_Consulting.pdf lease
TDD_Report_Lindenhof.pdf due diligence
or describe your work
AK “We manage leases and technical due diligence for a portfolio of commercial and residential buildings.”
Proposed categories review before anything is added
Organisation from catalogue
Person from catalogue
Date from catalogue
Obligation from catalogue
Tenant suggested
Rental unit suggested
Net rent suggested
Notice period suggested
Lease start suggested
2 Route 3 · From example files
From a model, or a register
Lindenhof_ARC.ifc This model contains
Spaces IfcSpace 184
Doors IfcDoor 212
Windows IfcWindow 388
Walls IfcWall 1 046
Slabs IfcSlab 14
Stairs IfcStair 6
Dokumentenregister.xlsx A category for each column
Dokumentnummer Document number
Status Design status
Revision Revision
Dokumenttyp Document type
Geschoss Storey
11 proposals
Review one by one Accept all
Nothing is added silently.
2 Cue Tuner · Value lists
Three kinds of value list
Open
Cue discovers new values as it reads.
Organisation
Nordbau AG new
Helix Real Estate Fund new
Café Morgenrot GmbH new
Kessler Consulting AG new
Seeded
Starts from a known list that can grow.
Project phase
Feasibility Concept Preliminary Detailed design Tender Construction Handover Operation + can grow
Closed
Only the listed values are allowed.
Discipline
ARC ArchitekturTWP TragwerksplanungHLK Heizung, Lüftung, KlimaELE Elektro
2 Cue Tuner · Languages and change
Your words, in every working language
Room
Raum DE Zimmer DE Room EN
Floor plan value of Document type
Grundriss DE GR code
Rental unit in use · data tagged
Structure kind of value list, how it relates
locked
Wording name, description, alternative names
editable
Mietobjekt DE alternative name added
The vocabulary grows. What is already indexed keeps working.
3 Upload documents
What Cue does with every document
Arrival files come in, each identified by its content
Reading every format read the way that suits it
Understanding what kind of document, and what it is about
Extraction the things on each page, and how they relate
Connection every mention of the same thing, joined
Cue Index one connected index of the project
3 Arrival
Files arrive
Drop files here PDF · DOCX · XLSX · PPTX · EML · DWG · DXF · IFC
GU-Vertrag_Lindenhof.pdf 80 pages
Lindenhof_ARC.ifc model
Sync from your document management system files come in from your DMS
/Projekt/02_Verträge/GU-Vertrag_Lindenhof.pdf
/Archiv/2025/Nordbau/Vertrag_final.pdf
One document same content · two locations
Document register from your DMS
DOKUMENTNUMMER STATUS REVISION DOKUMENTTYP
LH-A-ARC-02-GR-0012 Freigegeben C Grundriss
LH-A-ARC-02-GR-0012.pdf Status: Freigegeben Rev. C Floor plan
3 Arrival · Where your data lives
Processed and stored in Switzerland
Zürich, Switzerland by default, for processing and storage
Default
Other hosting locations QAECY is flexible about supporting them
Flexible
Fully on-premises a version that runs on your own infrastructure
In development
3 Reading
Every page, looked at
heading Lease agreement for commercial premises
paragraph between Helix Real Estate Fund (the “Landlord”) and Café Morgenrot GmbH (the “Tenant”)
heading § 1 Premises
paragraph The Landlord lets to the Tenant unit EG-A-01 on the ground floor of Haus A …
table
Fläche / Area m² Verkaufsfläche / Sales area 86.0 Lager / Storage 14.5
paragraph Signed on 12.04.2026 …
Works for scanned leases old plotted drawings
For the curious: a vision-language model transcribes each page image into structured text.
3 Reading
Each format, read the way that suits it
Word, Excel, PowerPoint
Structured text. Each sheet or slide becomes a page.
Sheet 1Raumbuch Sheet 2Flächen Slide 1 Slide 2
Emails
Sender and recipients become facts of their own.
CAD drawings · DWG, DXF
Every layout and viewport rendered. The drawing text read.
2.40 2.41 Layout · Grundriss 2. OG T-2.40.1 Viewport · 1:50
BIM models · IFC
Every element and space, and how they sit inside each other. No guessing.
Site Lindenhof Haus A 2. OG Raum 2.40 Tür T-2.40.1
Every document becomes a set of pages. Every page stays traceable to its original file.
3 Understanding
What kind of document is this?
Lease_Cafe_Morgenrot.pdf 14 pages
Technical due diligence report?
General contractor agreement?
Lease agreement
Summary Lease of ground-floor unit EG-A-01 in Haus A, Lindenhof, from Helix Real Estate Fund to Café Morgenrot GmbH for café use.
Subject Commercial lease, unit EG-A-01
Tags lease café Haus A ground floor
The type narrows what to look for
Lease agreement Parties Units Dates Obligations
Floor plan Rooms Doors Drawing information
3 Extraction
What “extracting an entity” means
Lease_Cafe_Morgenrot.pdf page 1 of 14
Lease agreement for commercial premises
between Helix Real Estate FundORGANISATION (the “Landlord”) and Café Morgenrot GmbHORGANISATION (the “Tenant”).
§ 1 Premises
The Landlord lets to the Tenant unit EG-A-01RENTAL UNIT on the ground floor of Haus ABUILDING , Lindenhof, for use as a café.
§ 9 Maintenance
The tenant shall maintain the grease separatorOBLIGATION and have it emptied at its own cost.
Signed on 12.04.2026DATE for the Landlord: Anna KellerPERSON
Recognised on this page
Helix Real Estate Fund landlord
Café Morgenrot GmbH tenant
EG-A-01 rental unit
Haus A building
12.04.2026 signing date
Anna Keller signs for the landlord
Maintain the grease separator obligation of the tenant
3 Extraction
The same, on every page
Each highlight is a mention
Protokoll_Baubesprechung_07.docx Seite 2
Baubesprechung Nr. 07 · Lindenhof
4.2 Brandschutztüren 2. OG, Haus A
Nordbau AGORGANISATION übernimmt die Nachrüstung der Tür T-2.40.1DOOR zu Raum 2.40ROOM . Feuerwiderstand EI30.
4.3 Termine
Tür T-2.40.1 mention
Category Door from your vocabulary
Description Fire door into room 2.40, to be retrofitted by Nordbau AG. Rated EI30.
Confidence high
Source Protokoll_Baubesprechung_07.docx · page 2
For the curious: named-entity recognition, guided by the project's vocabulary.
3 Extraction
Relations and properties, too
Lease_Cafe_Morgenrot.pdf page 1
Protokoll_Baubesprechung_07.docx page 2
FIRE RATING EI30
3 Extraction
Cue never invents names
A document becomes things
Protokoll_Baubesprechung_08.docx Seite 1
Der Raum wird bis Freitag geräumt.
“The room will be cleared by Friday.”
an unnamed room kept as it was written
Lease_Cafe_Morgenrot.pdf 14 pages
3 Connection
From mentions to one thing
GU-Vertrag.pdf
Generalunternehmer:
Nordbau AG
RE: Türen.eml
Gruss,
Nordbau
Protokoll_07.docx
4.2 Brandschutztüren
NORDBAU AG.
Türliste_Haus_A.pdf
Verantwortlich:
Nordbau AG
Lindenhof_ARC.ifc
IfcActor
Nordbau AG, GU
Nordbau AG one entity · five documents · every mention points here
For the curious: this is entity resolution.
3 Connection · How Cue decides
A ladder of checks
2 Find candidates spelling · meaning · keyword
3 Weigh the evidence names · meaning · neighbours · properties
4 AI judge only the unclear cases
simplest, cheapest most careful
1 · Tidy up
NORDBAU AG. nordbau ag Nordbau AG nordbau ag
12. April 2026 12.04.2026 2026-04-12
12 April 2026 one date · no judgement needed
2 · Find candidates
Cafe Morgenrot
Café Morgenrot GmbH by spelling by meaning by keyword
3 Connection · How Cue decides
Weigh the evidence. Ask a judge.
2 Find candidates spelling · meaning · keyword
3 Weigh the evidence names · meaning · neighbours · properties
4 AI judge only the unclear cases
simplest, cheapest most careful
3 · Weigh the evidence
Nordbau AG vs Nordbau Immobilien GmbH
Names similar
Meaning partly
Neighbours contract, doors · vs · property management
VAT number CHE-101.234.567 · CHE-109.876.543 differs
4 · AI judge, with context
“A property company is not the contractor that shares its brand.”
Kept apartFalse merge avoided
For the curious: blocking, similarity scoring over text and embeddings, graph context, then LLM adjudication.
3 Connection · Context matters
Same number, different room
Haus A
2. OG
2.40
Haus B
2. OG
2.40
≠
Room 2.40≠ Room 2.41numbers matter
“the room” never merged with anything
3 Connection · Models, drawings, documents
Where they all meet
Lindenhof_ARC.ifc
IfcSpace · Name “2.40 ” · Haus A · 2. OG
Raumbuch_Haus_A.xlsx
2.40 | Büro | 24,6 m²
LH-A-ARC-02-GR-0012.dwg
room tag “2.40 ” · layout Grundriss
LH-A-ARC-02-GR-0012.pdf
plotted drawing · “Raum 2.40 ”
Protokoll_07.docx
… Tür T-2.40.1 zu Raum 2.40 …
Room 2.40 · Haus A model element and five documents, about one room
3 Connection · Relations lift up
Said once, known everywhere
Protokoll_Baubesprechung_07.docx Seite 2
Nordbau AG übernimmt die Nachrüstung der Tür T-2.40.1 zu Raum 2.40.
is responsible for
3 Connection
One connected picture of Lindenhof
Construction contractor, rooms, doors
Ownership tenants, units, leases, findings
0 documents · 0 things · 0 connections
3 Connection · People stay in charge
Merge, split, and a record of who did it
Merge
Kessler Consulting AG+ Kessler Consulting
Merge Kessler Consulting AG
Split
Anna Keller · A. Keller
Split Anna Keller Andreas Keller
Decisions
Merged “Kessler Consulting” into Kessler Consulting AG Anna Keller · 14.05.2026, 09:12
Split Andreas Keller (Nordbau site manager) from Anna Keller Lea Brunner · 15.05.2026, 16:40
3 The Cue Index
One index, three kinds of question
What is connected to what? the connected map of documents, pages, things and relationships
What is this about? search by meaning, over summaries of documents, pages and things
Where is this word? classic full-text search
A complete, ordered history
1041 document added · Protokoll_08.docx
1042 pages read · 3
1043 mentions extracted · 17
1044 connected · Nordbau AG, Room 2.40
can always be rebuilt · new documents extend it
Added only when every step is done
Read Understood Extracted ConnectedIn the index
For the curious: a knowledge graph (RDF, SPARQL), a vector index and a full-text index, built from an event log.
4 Ask
In the AI assistant you already use
Your AI assistant for example Claude or ChatGPT
CONNECTORS
Lindenhof
Ask anything about this project…
Askin the Cue portal
Copy the Cue connector
Add it to your assistant
Sign in, pick the project
Cue Agent a specialist agent with deep construction and real-estate expertise
Coming soon
4 Ask · Portfolio manager
Your AI assistant Cue · Lindenhof
AK Which tenants in Lindenhof have maintenance obligations in their lease, and when were those leases signed?
Searching the index for tenants and leases
Found Tenant · Café Morgenrot GmbH, Kessler Consulting AG, residential tenants
Following rents → lease → obligation
Narrowing to maintenance obligations
Inspecting 3 source pages
TENANT MAINTENANCE OBLIGATION LEASE SIGNED SOURCE
Café Morgenrot GmbH Maintain the grease separator 12.04.2026 Lease §9 · p.1
Kessler Consulting AG Service the kitchenette ventilation 03.09.2024 Mietvertrag §11 · p.6
The way a colleague would
Search and find the entity
Follow the relations
Narrow the result
Inspect the source pages
It also sees the project's vocabulary: which categories and relations exist.
For the curious: the tools are search, lookup, traverse, combine, select and inspect.
4 Ask · Project manager
Your AI assistant Cue · Lindenhof
Which fire doors in Haus A is Nordbau AG responsible for, and where is that stated?
5 steps · search, follow, narrow, inspect
Nordbau AG is responsible for two fire doors in Haus A:
T-2.40.1 EI30 · into room 2.40
T-2.12.2 EI30 · into room 2.12
Stated in the site meeting minutes no. 07, § 4.2, and in the door schedule.
Protokoll_07 · p.2 Türliste_Haus_A · p.1
Protokoll_Baubesprechung_07.docx · p.2 Türliste_Haus_A.pdf · p.1
4.2 Brandschutztüren 2. OG, Haus A
Nordbau AG übernimmt die Nachrüstung der Tür T-2.40.1 zu Raum 2.40. Feuerwiderstand EI30.
Nordbau AG übernimmt ebenso Tür T-2.12.2 zu Raum 2.12.
Open original · interactive viewer in the chat
Grounded in your project's real documents, not in the AI's memory.
4 Ask · Other ways in
For developers, and in the portal
Cue SDK
Command-line tool
API keys
Files
GU-Vertrag_Lindenhof.pdfcontract
Protokoll_Baubesprechung_07.docxminutes
Lindenhof_ARC.ifcmodel
Lease_Cafe_Morgenrot.pdflease
How the categories connect
Entity viewer
Café Morgenrot GmbH
rents EG-A-01
has obligation grease separator
sources Lease p.1 TDD p.12
5 Build · Cue Studio
Recurring questions become apps
Cue Studio Lindenhof signed in automatically
Document Search Ready-made by QAECY
Lease overview Built with App Builder
Drawings as a model Example · App Builder
Asset due-diligence report Example · App Builder
New app describe it in the App Builder
5 Build · App Builder
Describe the app. Cue builds it.
DESCRIBE YOUR APP
An overview of every lease in Lindenhof: the parties, the unit, the signing date and each party's obligations. Filter by tenant, obligation or expiry date. Link every row to its clause.
Reading Cue's data model and components
Writing the app
Testing its queries against Lindenhof's real data
Saved for Helix Real Estate Fund
Lease overview Built with App Builder
Authors and admins can reopen it and change it.
5 Cue Studio · Document Search
Document Search Ready-made Lindenhof
Wer muss den Fettabscheider warten?
Lease_Cafe_Morgenrot.pdf page 1 · § 9 Maintenance “The tenant shall maintain the grease separator …”
Wartungsprotokoll_Fettabscheider.xlsx sheet 1 Entleerung · Café Morgenrot GmbH
TDD_Report_Lindenhof.pdf page 12 Grease separator, unit EG-A-01 …
Lease_Cafe_Morgenrot.pdf page 1
§ 9 Maintenance
The tenant shall maintain the grease separator and have it emptied at its own cost.
5 Cue Studio · Lease overview
Lease overview Built with App Builder Lindenhof
TenantObligation: maintenance Expiry before 2030
TENANT UNIT SIGNED EXPIRES OBLIGATIONS
Café Morgenrot GmbH EG-A-01 12.04.2026 30.04.2036 Tenant grease separator · Landlord roof, façade§ 9
Kessler Consulting AG OG-B-03 03.09.2024 30.09.2029 Tenant kitchenette ventilation · Landlord lifts§ 11
Residential · A-4.1 A-4.1 01.02.2023 open-ended Tenant minor repairs§ 6
Residential · B-4.2 B-4.2 15.06.2021 open-ended Tenant minor repairs§ 6
Lease_Cafe_Morgenrot.pdf · page 1
§ 9 Maintenance
The tenant shall maintain the grease separator and have it emptied at its own cost.
5 Cue Studio · Drawings as a model
Drawings as a model Example · Built with App Builder LH-A-ARC-02-GR-0012.pdf · Haus A, 2. OG
2.38
2.39
2.40
2.41
Korridor
2.12
2.14
T-2.40.1
T-2.12.2
Room 2.40 · Haus A
Drawings GR-0012 · DWG GR-0012 · PDF
Room schedule Raumbuch_Haus_A · 2.40 · Büro
Minutes Protokoll_07 · § 4.2
Model element IfcSpace “2.40”
Door T-2.40.1 · EI30 · Türliste_Haus_A · p.1
Drawing text became references to real things.
5 Cue Studio · Asset due-diligence report
ASSET REPORT
Lindenhof Helix Real Estate Fund · compiled from the Cue Index
Example · Built with App Builder
Leases and tenants Commercial tenants Café Morgenrot GmbH (EG-A-01, signed 12.04.2026) and Kessler Consulting AG (OG-B-03). Residential flats in both wings. Lease p.1 Mietvertrag p.1
Technical condition Roof membrane at the end of its service life; replacement recommended. Minor cracking on the façade of Haus B. TDD p.23 Inspection p.4
Maintenance history Grease separator emptied every quarter, most recently on 12.03.2026. Wartungsprotokoll
Certificates Fire-safety certificate for Haus A on file. Brandschutznachweis p.1
Open obligations Nordbau AG to retrofit fire doors T-2.40.1 and T-2.12.2 by 12 April 2026. Protokoll_07 p.2
Every statement is linked to its source page.
5 Build
Extraction gives you things
Connection gives you a network
Apps turn it into insight
and it stays current as new documents arrive
What's next
Sources beyond documents
Outlook · not yet available
In short
Four steps, and what you get
1 · Create A project workspace
2 · Define A vocabulary in your own language and classification
3 · Upload Every document read, every thing recognised, every mention connected the source page always one click away
4 · Ask and build Answers in the assistant you already use, and apps that turn the index into insight
Stop searching. Start asking.
by