G-Scholar | NSDL | MathDL (logistic*) |
JOMA (logistic*) |
||
---|---|---|---|---|---|
Total hits | 527 |
260 |
172 |
7 |
4 |
Bio Sci courses | 55% |
||||
Math courses | 14% |
3% |
|||
Other courses | 8% |
||||
Scholarly | 8% |
100% |
79% |
||
Reference | 5% |
3% |
|||
JOMA | 2% |
1% |
4 |
4 |
|
DCR | 3 |
||||
BioQuest | 2% |
||||
CCP | 1% |
2% |
|||
MathWorld | 6% |
||||
CauseWeb | |||||
iLumina | |||||
MathForum | 2% |
||||
Other | 5% |
4% |
* Note: When the full phrase "logistic growth equation" is used in MathDL Search without quotes there are 80 responses, including items that have any of the three words in their text. In JOMA Advanced Search, the number is 46 (a subset of the 80 in MathDL). When the phrase is searched for with quotes, both MathDL and JOMA return a single response, indicating that this phrase is probably too specific, since it is only one of many ways to say the same thing.
If you search from the top level of MathDL for "Riemann sum" (with or without quotes), you get the following numbers of results:
MathDL Search for Riemann sum materials Search term: Riemann sum Search term: "Riemann sum" Total 14 11JOMA 7 6DCR 1 1Convergence 2 0Classroom
Capsules 4 4The difference between 14 results and 11 is that the first list includes some items with the phrases "Riemann zeta function" and "Riemann problem" -- so the second choice (using quotes) is better for the intended purpose.
But notice that the first search did not turn up materials in which the word "sum" appears, which would obviously produce many more responses. In fact, if you just enter sum (no quotes) in the search box, you get no responses at all. That's because the search engine drops words with three or fewer letters. On the other hand, if you search for "sum" (with quotes), you get 127 responses -- quoted words and phrases are taken literally, no matter how many letters they have. When we entered Riemann sum, the search engine was looking for Riemann. When the phrase was quoted, the search was for the exact phrase.
Login for MAA Reviews & Classroom Capsules
Username:
Hints: You will get varying numbers of responses depending on whether you use one word or more than one. Not all of the responses will refer to interactive materials, and not all will be relevant to the classroom. Most will be from JOMA or DCR -- you can refine your search within each of those components by using the Advanced Search tool and/or the category/subject lists.