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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教
3 J: R. M; V/ L. L- q E6 cglobals[
+ x* n9 j/ u) o6 Lxmax/ n* G7 P! |! I1 R, ]6 w
ymax
) a- f( g# {7 k/ hglobal-reputation-list$ e8 N4 a P4 F( j
1 V8 W! @3 A0 Z* x;;每一个turtle的全局声誉都存在此LIST中. O j& r' z. t- k- K' P- `+ B x
credibility-list7 q4 _7 w7 }/ x6 _4 z1 Z% E
;;每一个turtle的评价可信度1 U4 S$ Q9 F5 m: S" m
honest-service
. G- X2 \6 s- }: g$ _0 \* s8 bunhonest-service! M$ h- f/ C& Q, J- B$ |
oscillation
9 u) k4 E% d6 \2 o* l* ]$ n, v6 E7 x, brand-dynamic
+ @% l2 Q) W/ T* p9 X7 ^]9 T R; L$ F0 a7 e. {
) ^- E3 ]" S5 L9 F5 g; E" m8 x
turtles-own[
2 s: v, f# s; F1 q( C; Utrade-record-all' F) ?+ P6 p- ]) _
;;a list of lists,由trade-record-one组成2 B$ [% |; }3 F$ e" K
trade-record-one
( P- n5 p ]9 z( P;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录0 I D7 {* s6 y5 l8 T2 C
" R3 x/ o/ b: d* c+ q; o* K3 d
;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]- h! E& D o- \0 o: `
trade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]8 T9 k9 s2 T& Q3 ~
credibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list
5 w" r' b7 H: [2 Tneighbor-total# X5 H8 H4 M! v, N# @! b
;;记录该turtle的邻居节点的数目
3 T% b2 X6 H! o1 e0 P4 utrade-time8 B$ i$ ` h3 ]* v
;;当前发生交易的turtle的交易时间
: Q" f# r1 h8 ^+ H Tappraise-give+ U' W6 Y( g6 f, S' p" ?% y
;;当前发生交易时给出的评价
?( R( \5 i1 i# b0 E1 D# w, oappraise-receive
4 I! q4 Z% v% l( U;;当前发生交易时收到的评价7 e- X! q7 ~: j
appraise-time* B0 E' m- q+ M7 Y( t2 f/ q8 [
;;当前发生交易时的评价时间
5 p, r: w; c% ]8 v/ J5 V" L! }local-reputation-now;;此次交易后相对于对方turtle的局部声誉, x/ h9 R. A% e2 e
trade-times-total3 O7 l3 V8 v" K4 s- V
;;与当前turtle的交易总次数+ G' _& G1 F* \9 z K
trade-money-total" Q, o u# {: O. g
;;与当前turtle的交易总金额
3 D; O: { o/ l0 u9 ?2 \local-reputation
+ d- G6 N/ P3 [" ]$ P- e" `$ ~global-reputation
2 Y+ h- a4 c9 U* ]credibility0 g$ q" ~* \: f& a
;;评价可信度,每次交易后都需要更新3 M5 h9 ^% l: M3 M
credibility-all
h. `$ b8 W/ w' l;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据1 z5 Y, o8 J9 p+ R2 k
: l. N' q# J7 ^9 e7 K! n) w
;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5 l9 b6 @3 \6 d5 `( y/ R4 p
credibility-one6 C. h$ C7 S8 _$ N8 B
;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项
3 m9 b4 n/ L! r$ @' uglobal-proportion, X( h( H3 H {6 X
customer
8 h; s( J( C9 K' m+ b5 `4 O1 M% Q; @customer-no
5 F: u8 m( u( K2 Htrust-ok
6 r5 n R7 C D2 @: I; Vtrade-record-one-len;;trade-record-one的长度
6 e _" a+ e5 T" ^" w! _]5 m3 E8 ?, W8 W" u
& z5 v0 A( {* F$ u;;setup procedure
) ?( {* D3 D: X# y6 c$ f
8 M6 S) A- V7 n1 ~! X# a/ lto setup
) I( u4 U& a( \5 b/ i/ ^! X' y. c/ [4 T: l& t4 o# M
ca3 J# l4 r" l, c8 @* S8 v
0 }% h: ]6 v2 s/ rinitialize-settings
& _3 h, {# l0 @. J/ K9 Z, ` |% B* F
crt people [setup-turtles]. ], l! j! D8 B5 f+ ]( B7 i5 W
m" {% m# ?% g& _
reset-timer9 R9 W5 ~% h) b2 C
6 O9 H) z9 h* {% \, `$ bpoll-class& u# S/ b s2 {0 Z) `
+ i+ t6 j) p; G
setup-plots
) A8 e5 k4 n& b2 f0 }, D' G" [* d$ y& {+ f2 O: L. s* @" x( Y
do-plots1 j4 x/ x4 Y: d+ U
end1 E4 l. C* I/ B2 d, y% z
3 l. g! C9 E& s! ^0 y
to initialize-settings* ?$ F% i. i! B" |5 R/ i
2 r8 J8 o( N5 d$ r
set global-reputation-list []
/ _7 K7 B" C; d, Y9 ?0 }/ _% b: k1 F6 k: c2 `9 s
set credibility-list n-values people [0.5]! T1 ~) o: `8 W! h3 K$ Q8 P
9 {! V) f% g$ pset honest-service 0
3 f4 D4 x8 f* d) [' ~2 f# \
1 [& a, ^% p. D0 L. wset unhonest-service 0# t. d' }6 s( ]8 y
3 D8 J; i. \* p% A9 j
set oscillation 0 I) c. X2 S6 M5 P; L
2 ]* k" _9 Y+ B0 j9 [8 ]! {! H# O
set rand-dynamic 0
9 h6 S- v! x8 jend
) u0 J9 K* k; _0 R5 ~: R
- C4 p, H8 Z# ~+ N/ f0 jto setup-turtles
# ~6 _4 T# V$ F1 P5 h$ @4 cset shape "person"
3 |5 q9 r1 v2 fsetxy random-xcor random-ycor% R4 g$ A' i1 P. w3 @, v
set trade-record-one []
( r$ Y& A& d0 z, c, u [$ z$ c, D: }# Q
set trade-record-all n-values people [(list (? + 1) 0 0)] 7 y6 d% v; }* S2 s# |' m
5 O0 P0 Z" z" X `. x- }
set trade-record-current []2 L# l9 g+ F }: L. U
set credibility-receive []
4 e7 j! S, ^' N, G& x% W& d; Nset local-reputation 0.5
( K8 U% g3 y' Y2 i; w) s. Gset neighbor-total 07 r4 `& A/ \0 i) F9 ~3 i! w4 ?: E
set trade-times-total 0! x+ Q1 E% [: d8 |
set trade-money-total 0
9 ]1 y$ M7 h) z3 t4 t3 a: U! Bset customer nobody
( B4 g& ?1 B. tset credibility-all n-values people [creat-credibility]
' Y& R( F( l' W5 W) \set credibility n-values people [-1]1 ?4 \7 B9 c9 N+ G+ C: j. ~7 S
get-color
, x, R$ p' q, o% Y4 E5 }' G' G& E
# i* d: p1 I _5 fend8 ^5 ~- j2 Y7 w# e- t. p( I* N( d
, T0 E8 j2 A X6 t& O0 W4 S% Z- ?to-report creat-credibility
; C7 [4 ^/ z0 G# w. S) ]* Nreport n-values people [0.5]; u7 O `2 N0 n8 V
end- u3 R; L0 x w: d# G9 G5 \* E
1 p: \ a2 H+ d4 a
to setup-plots! D- Y* M8 h# v+ q3 V# S
3 g' q9 n: j" V, v; o ]$ P8 E
set xmax 30
, W! f" t+ U+ ]" J9 f& e
2 e" D- B8 I6 aset ymax 1.0& g# I# R' ?+ f. H
! f3 p5 {5 z& c2 V: n
clear-all-plots- q5 `/ X& \3 b c* U4 \# E
) U* |2 J. W6 H/ g ^6 r; e, hsetup-plot1+ `/ O0 @$ E$ y4 |4 x2 @& S
5 G) ~+ O. u+ |, c
setup-plot2
- O5 W, R; n# q$ `2 G" ^6 O+ \2 O2 Z& ?) f, _# y
setup-plot3
/ Y# C) l% k+ L# K1 M0 Oend+ G h. f6 q' d7 F
- i' ?, k# o8 q% e
;;run time procedures' E, Z+ J5 {; O2 ]; H1 r. s
* t4 ~* Y5 I0 T: Sto go
6 f& f$ l3 F$ R$ V# ^6 O1 C9 n4 P. f" \- a E# Q6 F# c; N4 D) Z% J
ask turtles [do-business]
) Q) m6 E" n3 W$ F1 hend
6 i$ w8 U* U. W) `1 ]% z4 T! `5 n- U( [$ ^+ T# t
to do-business
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+ i, @; m# `" m+ {+ G- l# U9 z8 a! s1 m4 y4 ?
rt random 3601 n \ U* v0 Y
& J) X- I; q/ ?( Kfd 1
/ ]# q9 f7 W; a! y& T; l/ }1 g! a/ A3 A9 r) f1 S
ifelse(other turtles-here != nobody)[
0 Q& h) i: L/ m: m- ?+ X) i$ ?; @+ p R
set customer one-of other turtles-here- d; r/ X* Q+ v; A
~! w1 Z$ T% F9 @& _ L, Q
;; set [customer] of customer myself
e4 ?9 t" V3 l" {( Z/ C+ d
0 b$ E% B+ R5 M T# f1 |- Fset [trade-record-one] of self item (([who] of customer) - 1): l8 {! V) B5 S' C
[trade-record-all]of self; k% \4 \4 P8 p6 u) A! G
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self* D% I+ g7 r- {. B0 O1 ?
7 [5 i* ?; Z1 q! |2 A, _
set [trade-record-one] of customer item (([who] of self) - 1), m6 A2 K# @ c0 @
[trade-record-all]of customer2 G* i4 j5 K# m2 z C" J+ W. O
) g: B/ A8 _ S Z3 `set [trade-record-one-len] of self length [trade-record-one] of self2 \. e& d! L, k
: Q8 v, n) J1 U4 l( R! s0 Cset trade-record-current( list (timer) (random money-upper-limit))7 r: Z# W" z- m0 [; Z( r, W
; ~$ D% V2 x. r. ?9 K/ Y' W$ p' n! |5 Mask self [do-trust]
: W( h4 @" A& @+ @9 B;;先求i对j的信任度% w9 R+ ? u! \$ X5 p( X' t
4 t$ _4 J0 i% f6 vif ([trust-ok] of self)) V( |* i% q/ T2 ?
;;根据i对j的信任度来决定是否与j进行交易[
/ d/ d5 X. i5 }+ |# S5 G* J5 g3 \& R" _; oask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
) d2 Q0 z( C2 r" l0 I( ]7 \: u6 V: P: G2 D4 v! z
[
! Z& A! X$ R; C8 O2 I9 z) X, n9 n3 E0 @ W
do-trade
; @ t" l8 y( n2 ? s2 `( l( m. |7 ?6 `- H' H4 L: b$ z
update-credibility-ijl
2 l$ X4 R* h: I1 m+ E" K1 ~
0 j( T+ I. b% H1 Supdate-credibility-list
4 G9 U1 q; j+ R2 ]9 a, h
: x5 ]+ N% }; K$ G- y# i7 t+ P( F
( n v% K* m4 m x3 Z* x% ?* Qupdate-global-reputation-list) ^: ~9 i, J" E/ `/ |
( h; X0 k5 \4 n/ y$ Qpoll-class
7 } u1 a W1 G% |% F: {) p! d" d% g$ J; l2 q j$ ^9 h; b
get-color- p% r- x9 g- K% ]
; x- M& |, _* `$ v! D7 H4 p]]
$ K! K+ |( `7 X9 R/ R: @, Y- B% _# t7 u- T( a& }
;;如果所得的信任度满足条件,则进行交易9 b/ v* X: x B/ G# m" f
; N/ v2 g- |1 u* I[
. B2 C4 a+ G0 \( L F: f
4 k- m2 x$ ]% l0 Z* `4 prt random 360
+ p) V1 I# x7 Y) d' J1 N. M# A& L0 _. g8 h. g
fd 1
+ Q* L5 l }' D+ L3 }; F, {& I3 Y) o% i# B! ]- C0 X+ s, Z
]
& h2 M6 n1 x- q9 P
0 `: @! H0 f8 m3 _, { rend
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to do-trust
# {; x9 y8 V& [set trust-ok False& C; E4 b( A/ r7 {, u- _) N: f- ?9 }
U) Q' v6 M" W' Q: f6 i" D3 C9 L+ O) J3 C7 @0 ~; S) I
let max-trade-times 0
; A9 O: M. ?- g4 a8 s: `- Nforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]: S" B8 v* t9 L' g/ v, R7 J3 p9 E/ {
let max-trade-money 0
; q9 H8 x9 x# o# B/ ?, Oforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
, t9 \9 P0 A0 B9 R; Flet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
9 Z: A* G: q+ L3 C5 V- T
+ ^& S3 g9 g8 m- _2 G; s
! H2 d% Q8 s: e, Wget-global-proportion
9 C' o! }9 f% S3 g, d6 q' Z1 }0 Flet trust-value
: A4 O% f7 g) I! {9 \7 w6 O# ~: Ylocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)9 O/ p( E$ V4 k$ O# t
if(trust-value > trade-trust-value)6 J' s5 W6 G0 i- ]* N/ ^
[set trust-ok true]# e2 C8 g: _- I/ ]& k" Y3 b+ S/ }
end: N/ {$ L, l: N ?$ b
D3 R) F+ [7 J Y
to get-global-proportion
" t* E+ u- V) I( y, h) i6 O* iifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
1 @6 P3 F$ h" H% }6 ?& b& A[set global-proportion 0]: x( Z8 q. X" M1 |
[let i 03 w2 A& z$ n. @0 k1 ] o0 H
let sum-money 03 t0 h/ k- \5 L4 f
while[ i < people]
: G1 L r! Y' R[
5 F: I% U3 q1 [* Z J! bif( length (item i9 r* G7 ^$ u K4 r& k* \
[trade-record-all] of customer) > 3 )% s/ | K; j; g1 o/ i7 S
[4 B! Y8 O( q' B
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
7 K( I# {; C4 L]) ?- O2 O3 t. p7 c& t6 Q/ K" \
]
' t( l- X5 C- k# b# S$ h1 [ nlet j 0
! I { w. [5 E" o; g& Vlet note 0
& E* Y$ u* z7 S: H: J" x& ywhile[ j < people]( H. {3 k+ ^3 A
[
. ~( F' T+ o% D. Oif( length (item i
. i; L' K. t' n1 l+ P, x[trade-record-all] of customer) > 3 )9 |% f% W0 W- z/ V& P8 P F8 u2 S1 g
[% ^5 X0 q! q3 ~, n @& u3 n8 A
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)% w7 o' g" L' a
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
# M: R4 I0 J: N( Y, P6 z# E/ f1 n[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]9 V6 Y5 q+ n1 t8 D, f8 m
]3 \) I5 N8 n% @. c" ?
]' I/ @( a% u' ~: h: `- H
set global-proportion note. v {* C5 F2 ~( G
]
2 n$ i) x& J2 C- b- u4 m! Yend2 H2 Q) z7 `1 w/ \
+ Y" ^+ d6 M) d8 qto do-trade% Y2 r" a$ P+ d* h" ?
;;这个过程实际上是给双方作出评价的过程
2 A# z0 e+ |9 v1 L( n- Tset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
3 `* h6 o2 o3 w* l) o$ {set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
* C5 l( j l, }: b; Oset trade-record-current lput(timer) trade-record-current
, T) ], }' y% R* |7 f;;评价时间, _& W4 z: v0 E/ n
ask myself [/ O* V `. H! d0 w- t5 ]
update-local-reputation3 m" }7 f( r3 h( _6 f& M. P1 i6 D
set trade-record-current lput([local-reputation] of myself) trade-record-current+ }# v9 v; |4 s3 U; n
]* q. F& l5 @+ r b( G
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself$ e3 Q; {- r( a3 h
;;将此次交易的记录加入到trade-record-one中
! } {% O+ q4 H+ z8 eset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
) @+ k% X9 g/ x* Clet note (item 2 trade-record-current ); B- i- J$ a Q# ~) P+ x, c$ `
set trade-record-current5 n$ p1 m# h( r5 _4 L. _/ b9 S5 i
(replace-item 2 trade-record-current (item 3 trade-record-current))
$ z( V8 q s" G7 H6 ?set trade-record-current
, C/ _9 E% s) k* r( P1 d(replace-item 3 trade-record-current note)5 x1 M8 h0 o- A- a
A' w4 ]: o4 K' j/ f$ z
. s( X# e5 y/ W6 task customer [0 E9 t) O1 u+ k/ ~
update-local-reputation2 [6 H: z" l, Q+ j" h9 F; e
set trade-record-current
. x# F4 n: m2 B \(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
. c4 h/ k2 c0 ~- ]- @. \]
6 s. z! [+ U2 J! q& m1 C" ^8 @" F1 `* T
9 O- u4 q( o' X" H
# g2 Z* i% K' J$ o1 g& r+ Wset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer! f8 ]9 g- \8 F+ \. a$ t% U
, F1 e. r& S6 _
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))5 D, W# w$ X' Y5 F: Z$ ~
;;将此次交易的记录加入到customer的trade-record-all中
1 W: s5 ?& W+ \5 l( }( H* R/ E% h4 J* jend& B9 _. \7 H0 g' R% b# `% B
# p; N" \; W/ P/ y# X" S, j0 g7 H* f& P
to update-local-reputation
& d: S2 I$ c$ j/ b% h. x. _) sset [trade-record-one-len] of myself length [trade-record-one] of myself" T. m+ A; Q1 J( ^) v! G
) m* r4 |1 M: V' a3 _
/ b! @" u3 n/ X;;if [trade-record-one-len] of myself > 3
+ S8 D- V. u; d: H- uupdate-neighbor-total. N3 d* A. v# {/ w, u
;;更新邻居节点的数目,在此进行
5 {, [/ |% {7 v6 w' G# ]$ Xlet i 35 ?, N- E8 x4 Y K! B0 U1 Z
let sum-time 0
& @7 c8 G0 F: E; X" v1 Iwhile[i < [trade-record-one-len] of myself]5 p# J5 n) ?9 q0 S; p. g1 d8 k+ {
[4 v. {* k5 Y) ]+ z% X- l
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )4 P) T& g/ V' }$ M0 R" Z( A$ P/ w
set i7 J, c- y. D: k! X! y
( i + 1)/ n) n& _3 s; O- f$ H. A9 j
]; g' B' m" T' p y0 {. o |2 S
let j 30 H& j% A& \1 ~
let sum-money 0. V" I7 }) O% M7 l0 i$ [( [
while[j < [trade-record-one-len] of myself]
5 @2 n) D2 [3 p+ v* H' w[7 d0 T' Y8 }- i9 i* c* X/ h8 X
set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
8 C2 \) ?1 b& r0 l6 J$ J5 _( t6 wset j
. Z& o; Q0 A! r9 r3 U$ Q( j + 1): n3 Y* G Z; N8 I$ P
]
+ E' F. T# X# Plet k 3
( m8 S+ h3 \" Plet power 0
+ f9 Q3 U3 b1 a- blet local 07 G7 i9 Q4 N1 `2 g# T) A
while [k <[trade-record-one-len] of myself]7 d5 N$ G Z+ J( A
[
6 v8 f) V6 \: q0 g7 c# Dset local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money)
6 ]* x/ B# A! p5 `: Uset k (k + 1)# s* D( \' [7 b4 T7 Y
]' Z( }4 h; Z3 p5 c$ Y# v9 S
set [local-reputation] of myself (local)
* S' N& @0 S% K h0 ~; z9 m, nend. I+ D# g1 n5 g6 y) C8 ?
$ J) ~" N) ^2 _' c! T
to update-neighbor-total7 S; x& |: ~, u
. `, q* {4 U0 U9 o/ f3 fif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
1 U o6 P0 I) j2 ~8 e8 D+ D# C! O# J) E8 Y7 I2 E# @! U
, \ j8 p5 O1 o* Mend c! e9 [/ [+ `3 v4 Z$ v) L
9 Z# a! i7 i5 e$ Ito update-credibility-ijl ) L8 S+ g/ z- i( D/ W
9 [) u2 j( T# B; L: \* `% F
;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。2 h7 N7 c( O; T {7 M4 S
let l 06 Y( p. x' v2 ] W+ l& y5 J6 c: s. D
while[ l < people ]
( [# L3 H+ g6 ]; m+ A;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价
6 d, X$ i8 h+ ^& g[
: h8 z- v( B9 ^% `0 f( U( Slet trade-record-one-j-l-len length item l ([trade-record-all] of customer)$ L$ ~2 S; [1 F2 O
if (trade-record-one-j-l-len > 3)% P' C$ q, n) B' L% W9 x
[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one* g$ Z3 c6 i0 k5 s0 Z, v, {
let i 3' X. n0 Y* I8 ~- M% p
let sum-time 06 @) ]1 U7 y+ r, |$ ~/ r
while[i < trade-record-one-len]% s8 x* @& Q) k. Y& U
[
& ]/ E0 o1 d; H5 g: ]) S) x# E, rset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )& R; d) P0 T$ N/ y4 R7 _
set i& |1 f k& s+ r0 @8 }- s; W" w
( i + 1)
' x$ C% E& j4 K% i1 v* v) @]
! c4 [6 \: P, z: }6 e$ L+ ]let credibility-i-j-l 0
" `0 u: c! N: y t! @8 P. }4 {;;i评价(j对jl的评价)7 q$ H3 z+ O4 q) B0 {# l& e
let j 3
7 w, Y6 B+ r9 Xlet k 4
! j K" F, q9 P" q1 d/ y0 owhile[j < trade-record-one-len]
4 a( B8 \4 C# }% m* g5 G, I[
7 s8 {/ S: v; P: D8 ~* Twhile [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉6 ~ L3 N4 {' C& n) h/ i
set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)( I+ f5 K9 B- V2 @, U
set j
/ ~, ]) _- x s3 V& V9 h( j + 1); d+ u& x' `1 r2 t( v6 V; H
]5 \5 l% a7 S8 B4 a; V
set [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l )); u6 X: N7 z4 l+ A) g" Y% |9 c& |
+ F' D |8 K! H+ g
7 w5 W" m1 C5 x( ]let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
o& I% C) }. J& ~8 X;;及时更新i对l的评价质量的评价
6 ?0 P3 _4 `$ C* wset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]; J8 T) g' G2 C: z( {1 K) B
set l (l + 1)
+ \5 j* f5 i$ s- k]( w! k/ M& c! W, a/ h/ p) _
end1 ?- C8 w5 O& K3 r
g0 R T- k4 N! ?" s, s: ]' f
to update-credibility-list
6 o: s2 R/ E* h# q4 p$ A2 Olet i 0
, E/ o7 U9 \, M) jwhile[i < people]3 |5 }. ~# w' G* o, Z) B
[
" O' D! m+ c( |+ \* t( [let j 0% M0 W) E# b% p: Q& X1 ~0 p5 d
let note 03 r! e) m0 S% v) [
let k 0
# [ Y6 y6 h1 Z;;计作出过评价的邻居节点的数目
3 j5 e s* p7 {6 ?4 K7 {" Nwhile[j < people]
& m! K8 y6 V3 B/ |9 N[- c( g; A% l' `0 v/ @1 g# M3 R
if (item j( [credibility] of turtle (i + 1)) != -1)
4 ?1 s$ _% N G7 ?5 _+ A; E;;判断是否给本turtle的评价质量做出过评价的节点, j( L9 g- h! z2 O! y
[set note (note + item j ([credibility]of turtle (i + 1)))
6 ^! A9 Q s: [1 J2 a;;*(exp (-(people - 2)))/(people - 2))]
% U2 F' ^" {% @4 N+ vset k (k + 1), r W5 R3 `8 ^+ K9 H0 ~5 w
]
5 g) l( ^; f8 F: ~5 l2 E6 R6 S1 |set j (j + 1)
3 `) t! s# o/ Q9 r]4 L1 X# i- J# \( y3 j& D4 x! b) X# u
set note (note *(exp (- (1 / k)))/ k)
: I. f, G1 o1 S* rset credibility-list (replace-item i credibility-list note): [' b9 y+ |- m) o. U; D6 O8 C* R& `# I
set i (i + 1)7 y. ?" v. B- C3 [, i) P6 m3 T
]
; R- t3 S( _8 S& p+ |% Uend7 s9 @$ C2 i0 I- [% C
9 E3 {- R$ a2 {) s( I- kto update-global-reputation-list' X9 Y- K# v5 v' @5 n( ~
let j 0/ ]3 \2 ?, U2 `" |
while[j < people]
2 ]6 e: ?% t. ^0 G3 f, }' b[
! y5 E% w+ f( v0 Y. @+ O Wlet new 0
8 I5 N8 O9 B7 T: a! i;;暂存新的一个全局声誉
1 W6 ]0 ]: W- b; o' H% ilet i 01 u5 H% |$ a; o, B# ]) P& ?; h
let sum-money 0
1 ]2 R6 @4 O& T* V9 W% Xlet credibility-money 0- i- A. B5 H6 v8 c
while [i < people]
' X& \8 w* [# D0 K* ^0 B[7 i! O6 T8 L4 i" p/ [
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
8 Q; P4 U& q5 y, v4 {set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))9 F& P6 |0 \5 Z# `+ |" P
set i (i + 1)
. g9 n5 ~% p7 m6 g/ i1 }/ d], t0 Z. P( C% [
let k 0' P* ~% F6 Y9 r" d; q" ^9 J" |
let new1 0
2 x6 i r2 w/ ]1 p+ ~while [k < people]$ g* c1 a2 }" M
[: V! |* S q/ C0 Y* E
set new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)
2 Z+ g( n7 A& N/ Nset k (k + 1)( B1 q6 l4 U4 e- O% W4 F
]
# S" r$ l. p2 v5 l/ H: E& |set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
O9 ]. h( K! S' j+ V3 h3 Z2 iset global-reputation-list (replace-item j global-reputation-list new). v7 V2 S. l) j/ B: i
set j (j + 1), l+ e/ Q5 `8 R' F' ~; y
]
0 f3 c6 J6 N9 Kend1 x+ Z/ Z8 b' A" K+ V" B8 W+ s8 c, ~
4 ?4 H$ j) n1 W5 Y6 ^7 X% c
1 q- ^0 Z' E" ~
4 I( i4 i. |" ~! ato get-color
& _! L/ U# g" h; ~" p- X) k) R
# E6 o4 P. W6 R5 N$ D4 M3 f) zset color blue0 I X, ~" i; _! `8 x2 _
end, g- o. k) E$ Z' V, q+ F- d; }
6 P1 X( T& E5 ~7 a- D9 Uto poll-class1 U1 [ V/ Y9 G9 z0 @ t
end
* f/ h$ m9 e$ e% u0 P0 t1 I
' G( h! X; T* h# V3 Eto setup-plot1$ x f v/ V4 }5 G, g; y7 M9 ^
% ^2 X4 z; O& w% H
set-current-plot "Trends-of-Local-reputation"( n5 X3 G: k+ h1 T6 ?: k$ \9 l
+ M; b3 V+ h- m7 G1 Z5 `( oset-plot-x-range 0 xmax# j4 B$ j, I7 @( P3 X" X
) R/ h+ d0 V# w# a+ d& ], N5 eset-plot-y-range 0.0 ymax
$ I1 y3 n# i9 Y) S) B: {end- v( j8 k$ n5 k/ p8 I5 y
4 y c; B: v, c4 J% q9 m0 f- z
to setup-plot2 _( i# d4 P1 l2 G8 v i
S" t g) M8 d7 |set-current-plot "Trends-of-global-reputation"* v4 ? O( ]+ l: D3 ~
/ t! X/ g9 H: k% c; B+ o. ]3 mset-plot-x-range 0 xmax
% f! Q/ c; W( z' h! f
& P: ^- [; [$ s b+ U& Aset-plot-y-range 0.0 ymax) C0 l4 P- p$ n# G
end1 b/ K m" R7 S
! ]: y6 v! D9 N1 K
to setup-plot3
$ D5 X+ ^1 t# l# l( ~5 C( [* H! L* Q4 V% Z: M/ U1 R5 f
set-current-plot "Trends-of-credibility"2 j+ B2 J8 d1 J! p3 W
/ c9 |5 Z* N& k# n9 ~1 G' a
set-plot-x-range 0 xmax
+ O7 p+ q& d& S, p3 ]9 K# F2 E% R' i& [' x4 M& N0 A# \ b
set-plot-y-range 0.0 ymax
+ F2 N! b( O) @end
2 m0 i v9 p# `3 E' L( n0 G/ p# h3 Z0 V$ C
to do-plots5 j& y9 F$ v; | W7 x h
set-current-plot "Trends-of-Local-reputation"8 e( t2 `. \% J. [) |; g' ~: g
set-current-plot-pen "Honest service"0 X! ~7 d- o; A# h$ G
end5 j7 R' |: _/ h+ P( X
/ X, A1 W+ C! }( K+ x. j; y. B
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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