Analysis of the main functions and functions of document management tools

Key points of this article

The core of the literature management tool is the four functions of collection, organization, retrieval and citation. PDF is the main file type it manages.
Most tools save the PDF as an attachment and save the title, author, year and other information as metadata to facilitate searching by fields.
Folders can only find files by path. The document management tool can organize documents by tags, fields and full-text content.
Citation insertion and reference formatting can save writing time, but the output format still requires manual verification.

People who are studying for graduate school or doing research projects often have hundreds of PDFs piled up in their folders, with file names ranging from "final.pdf" to "change 2.pdf". If you want to find a paper that you read last year, you can only rely on memory to search for it. Reference management tools are designed for this type of problem: they gather documents into a library, add structured information to each document, and generate citations directly as you write.

This article is written for readers who are new to document management and want to figure out "what it manages and how it manages it." After reading, you should be able to explain the main functions of document management tools, know how PDFs are stored in them, and determine whether your needs require such tools. This article does not recommend specific products, but only talks about general functional division of labor.

What are the main functions of document management tools? One sentence conclusion

The main function of the document management tool is to collect documents, organize documents, retrieve documents and generate citations, and use PDF as the main carrier and metadata as the index to preserve the documents for a long time. The value of tools lies in making documents "searchable and reusable" rather than just storing them on a hard drive.

your situation	Recommended practices	reason
There are only a dozen documents, and they are occasionally cited.	Just add a standard name to the folder	Small quantity and low manual management cost
There are hundreds of documents, often reviewed by topic	Use document management tools to create categories and tags	Searching by fields and keywords is faster than flipping through folders
The same paper should be cited in multiple manuscripts	Use tools to automatically generate references	The citation format is unified and can be updated in batches when revising the manuscript.
A large number of scanned PDFs need to be retrieved	Do OCR first and then store it in the database	Only text layer PDFs can be searched for text
Need to share the library with the team	Choose tools that support synchronization or shared libraries	Avoid maintaining different versions of files individually

What is it: From "save files" to "manage documents"

A literature management tool can be understood as an indexed literature database. What it does is divided into three levels:

File Layer: Save the original PDF file, and sometimes also save web page snapshots, supplementary materials and other attachments.
Information layer: Record the title, author, journal, year, DOI and other metadata of each document. This information determines whether the document can be accurately found.
Organizational layer: Put documents on the same topic together through classification, tags, favorites and notes.

Many people tend to confuse it with "cloud disk". The cloud disk only cares about where the file is placed, while the document management tool cares about "what" the document is. This is why it can filter documents by author, year and even citation relationship.

How it works: How PDFs are stored

Most tools use the "attachment plus metadata" method to store PDFs:

When importing PDF, the tool will try to read the title, author and other information in the file, or complete the metadata based on identifiers such as DOI.
The PDF file is saved as an attachment to the document and is usually placed in the directory managed by the tool. The file name may be rewritten uniformly.
The metadata is associated with the attachment. When entering the author name or keywords in the search box, the tool will check these fields instead of opening the PDF one by one.
If the PDF is an electronic version with Chinese characters selectable, the tool can also perform full-text search to directly find documents in which a certain term appears in the text.

The advantages of this structure are: the literature information is centralized and searchable, the original PDF is not destroyed, and the entire library only needs to be migrated when changing computers.

Common misunderstanding: What it doesn’t do for you

It does not automatically understand papers. The automatically completed metadata may have errors, especially for Chinese documents, conference papers, and preprints. The titles and authors should be randomly checked after importing.
It does not ensure that the citation format is completely correct. The reference style is determined by the requirements of the journal or school. The tool only generates it based on the template and still needs to be checked before submission.
Scanned PDFs are not searchable by default. Pages in the form of pictures do not have a text layer, and the text needs to be retrieved after OCR recognition. The recognition results must also be randomly checked. Typos will affect the search.

# Core comparison

The following is a comparison of three common ways of document preservation according to functional categories, only explaining what they are good at and not grading their advantages and disadvantages.

Comparative dimension	Ordinary folder	Network disk or general document library	Document management tool
Filter by author and year	Can only rely on the file name	Rely on manually filled in information	Automatic filtering based on metadata
Text keyword retrieval	Not usually supported	Depends on the file format	Full-text search can be done on PDF with text layer
Generate references	Needs to be sorted out manually	Basically does not support	Can be generated automatically according to the style
Multi-subject classification of the same literature	Files need to be copied	Files need to be copied	Multiple tags can be hung on a document
Learning cost	Almost zero	Low	It takes time to establish classification habits

# how to use it

If you want to organize a new project with a document management tool, you can do it in the following order:

First set up a topic bank or classification, such as "Image Segmentation Review", to avoid all the literature stacked together.

two. Import the existing PDF, check the title, author and year of the automatic completion, and manually correct the error if you find it.

Tagging documents, such as "methods", "datasets" and "reviews", is more flexible than folders, and a document can belong to multiple topics at the same time.
OCR the scanned version of PDF first, and then search it with keywords to confirm that the text can be found.
When writing, select the required references in the literature database, and generate references according to the style of the target journal or school, and check them one by one before submission.

If you have a batch of papers to read, OmniDoc's desktop client provides a document workspace connected to Zotero, you can find PDF and translate papers, suitable for use with the literature library. When uploading PDF to omnidoc.top for translation, you can choose bilingual control or translation only, download the results and then compare with the original. Machine translation will have omissions or terminology deviations, involving formulas, definitions and key conclusions, please go back to the original text to check.

# frequently asked questions (FAQ)

1. Are document management tools the same thing as Zotero?

No. Zotero is a common document management tool, and document management tool is a general name of a kind of software. By understanding its functional division of labor, you can evaluate any similar software instead of just one.

2. What are the management functions of document management software?

This usually includes collection (importing PDF, saving web pages), collation (classification, tags, notes), retrieval (metadata and full-text), references (inserting text references, generating references), and backup and synchronization. The emphasis of different software is slightly different.

3. What are the advantages of using PDF format for document management?

The layout of PDF is fixed, and the typesetting, formulas and charts of the original text are not easy to be out of shape, so it is suitable for long-term preservation and citation. At the same time, most journals and databases provide PDF downloads, making it easy to manage.

4. Can the scanned PDF be put into the document management tool?

You can put it in, but usually you can only find it by metadata such as title and author. To search the text, you need to do OCR recognition first. The recognized text may be wrong, and the key content should be checked by spot check.

5. I only have a few papers. Do I need to use document management tools?

Not necessarily. When there are few literatures and citations, it is enough to add a table record to the standard folder naming. When the number of documents increases, frequent retrieval by topic or batch generation of citations are needed, it is more cost-effective to consider using tools.

# Summary

The main function of document management tool is to collect, organize, retrieve and generate citations. It uses metadata and full-text index to organize PDF into a document library that can be searched and reused. By understanding its storage and functional boundaries, you can determine whether your literature volume and writing habits need it.

Open OmniDoc and translate the whole article.